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Finding the Fourth Proportional to 73,710.18, 101,691.18 and 45,366.66

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Solution

The fourth proportional to 73,710.18, 101,691.18 and 45,366.66 is: 62,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,710.18 : 101,691.18 = 45,366.66 : x
  2. Step 2: Convert to fraction form
    73,710.18/101,691.18 = 45,366.66/x
  3. Step 3: Cross multiply
    73,710.18x = 101,691.18 × 45,366.66
  4. Step 4: Simplify right side
    73,710.18x = 4,613,389,188.06
  5. Step 5: Solve for x
    x = 4,613,389,188.06/73,710.18
  6. Step 6: Final answer
    x = 62,588.22

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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.