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Finding the Fourth Proportional to 66,441,227.60, 99,472,884.60 and 51,198,712.40

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Solution

The fourth proportional to 66,441,227.60, 99,472,884.60 and 51,198,712.40 is: 76,652,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,227.60 : 99,472,884.60 = 51,198,712.40 : x
  2. Step 2: Convert to fraction form
    66,441,227.60/99,472,884.60 = 51,198,712.40/x
  3. Step 3: Cross multiply
    66,441,227.60x = 99,472,884.60 × 51,198,712.40
  4. Step 4: Simplify right side
    66,441,227.60x = 5,092,883,610,233,789
  5. Step 5: Solve for x
    x = 5,092,883,610,233,789/66,441,227.60
  6. Step 6: Final answer
    x = 76,652,461.04

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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.