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Finding the Fourth Proportional to 82,952,221.60, 124,428,332.40 and 75,897,834.40

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Solution

The fourth proportional to 82,952,221.60, 124,428,332.40 and 75,897,834.40 is: 113,846,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,221.60 : 124,428,332.40 = 75,897,834.40 : x
  2. Step 2: Convert to fraction form
    82,952,221.60/124,428,332.40 = 75,897,834.40/x
  3. Step 3: Cross multiply
    82,952,221.60x = 124,428,332.40 × 75,897,834.40
  4. Step 4: Simplify right side
    82,952,221.60x = 9,443,840,967,163,356
  5. Step 5: Solve for x
    x = 9,443,840,967,163,356/82,952,221.60
  6. Step 6: Final answer
    x = 113,846,751.60

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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.