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Finding the Fourth Proportional to 53,165,000.40, 79,747,500.60 and 53,165,000.40

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Solution

The fourth proportional to 53,165,000.40, 79,747,500.60 and 53,165,000.40 is: 79,747,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165,000.40 : 79,747,500.60 = 53,165,000.40 : x
  2. Step 2: Convert to fraction form
    53,165,000.40/79,747,500.60 = 53,165,000.40/x
  3. Step 3: Cross multiply
    53,165,000.40x = 79,747,500.60 × 53,165,000.40
  4. Step 4: Simplify right side
    53,165,000.40x = 4,239,775,901,298,000
  5. Step 5: Solve for x
    x = 4,239,775,901,298,000/53,165,000.40
  6. Step 6: Final answer
    x = 79,747,500.60

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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.