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Finding the Fourth Proportional to 79,146,069.60, 118,719,104.40 and 79,146,069.60

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Solution

The fourth proportional to 79,146,069.60, 118,719,104.40 and 79,146,069.60 is: 118,719,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146,069.60 : 118,719,104.40 = 79,146,069.60 : x
  2. Step 2: Convert to fraction form
    79,146,069.60/118,719,104.40 = 79,146,069.60/x
  3. Step 3: Cross multiply
    79,146,069.60x = 118,719,104.40 × 79,146,069.60
  4. Step 4: Simplify right side
    79,146,069.60x = 9,396,150,499,692,066
  5. Step 5: Solve for x
    x = 9,396,150,499,692,066/79,146,069.60
  6. Step 6: Final answer
    x = 118,719,104.40

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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.