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Finding the Fourth Proportional to 73,663.17, 101,639.46 and 43,437.47

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Solution

The fourth proportional to 73,663.17, 101,639.46 and 43,437.47 is: 59,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,663.17 : 101,639.46 = 43,437.47 : x
  2. Step 2: Convert to fraction form
    73,663.17/101,639.46 = 43,437.47/x
  3. Step 3: Cross multiply
    73,663.17x = 101,639.46 × 43,437.47
  4. Step 4: Simplify right side
    73,663.17x = 4,414,960,404.92
  5. Step 5: Solve for x
    x = 4,414,960,404.92/73,663.17
  6. Step 6: Final answer
    x = 59,934.43

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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.