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Finding the Fourth Proportional to 73,702.54, 101,707.50 and 43,489.18

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Solution

The fourth proportional to 73,702.54, 101,707.50 and 43,489.18 is: 60,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,702.54 : 101,707.50 = 43,489.18 : x
  2. Step 2: Convert to fraction form
    73,702.54/101,707.50 = 43,489.18/x
  3. Step 3: Cross multiply
    73,702.54x = 101,707.50 × 43,489.18
  4. Step 4: Simplify right side
    73,702.54x = 4,423,175,774.85
  5. Step 5: Solve for x
    x = 4,423,175,774.85/73,702.54
  6. Step 6: Final answer
    x = 60,013.89

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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.