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Finding the Fourth Proportional to 74,468,560.98, 111,719,000.40 and 22,651,816.88

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Solution

The fourth proportional to 74,468,560.98, 111,719,000.40 and 22,651,816.88 is: 33,982,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,560.98 : 111,719,000.40 = 22,651,816.88 : x
  2. Step 2: Convert to fraction form
    74,468,560.98/111,719,000.40 = 22,651,816.88/x
  3. Step 3: Cross multiply
    74,468,560.98x = 111,719,000.40 × 22,651,816.88
  4. Step 4: Simplify right side
    74,468,560.98x = 2,530,638,339,077,447
  5. Step 5: Solve for x
    x = 2,530,638,339,077,447/74,468,560.98
  6. Step 6: Final answer
    x = 33,982,640.54

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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.