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Finding the Fourth Proportional to 72,793,196,651.20, 109,026,536,301.60 and 72,793,196,651.20

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Solution

The fourth proportional to 72,793,196,651.20, 109,026,536,301.60 and 72,793,196,651.20 is: 109,026,536,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,793,196,651.20 : 109,026,536,301.60 = 72,793,196,651.20 : x
  2. Step 2: Convert to fraction form
    72,793,196,651.20/109,026,536,301.60 = 72,793,196,651.20/x
  3. Step 3: Cross multiply
    72,793,196,651.20x = 109,026,536,301.60 × 72,793,196,651.20
  4. Step 4: Simplify right side
    72,793,196,651.20x = 7,936,390,097,201,564,483,584
  5. Step 5: Solve for x
    x = 7,936,390,097,201,564,483,584/72,793,196,651.20
  6. Step 6: Final answer
    x = 109,026,536,301.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.