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Finding the Fourth Proportional to 110,663.48, 152,694 and 62,908.68

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Solution

The fourth proportional to 110,663.48, 152,694 and 62,908.68 is: 86,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,663.48 : 152,694 = 62,908.68 : x
  2. Step 2: Convert to fraction form
    110,663.48/152,694 = 62,908.68/x
  3. Step 3: Cross multiply
    110,663.48x = 152,694 × 62,908.68
  4. Step 4: Simplify right side
    110,663.48x = 9,605,777,983.92
  5. Step 5: Solve for x
    x = 9,605,777,983.92/110,663.48
  6. Step 6: Final answer
    x = 86,801.70

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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.