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Finding the Fourth Proportional to 73,390.78, 101,280.72 and 44,711.62

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Solution

The fourth proportional to 73,390.78, 101,280.72 and 44,711.62 is: 61,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,390.78 : 101,280.72 = 44,711.62 : x
  2. Step 2: Convert to fraction form
    73,390.78/101,280.72 = 44,711.62/x
  3. Step 3: Cross multiply
    73,390.78x = 101,280.72 × 44,711.62
  4. Step 4: Simplify right side
    73,390.78x = 4,528,425,065.97
  5. Step 5: Solve for x
    x = 4,528,425,065.97/73,390.78
  6. Step 6: Final answer
    x = 61,702.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.