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Finding the Fourth Proportional to 101,424.48, 152,098.08 and 40,616.16

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Solution

The fourth proportional to 101,424.48, 152,098.08 and 40,616.16 is: 60,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,424.48 : 152,098.08 = 40,616.16 : x
  2. Step 2: Convert to fraction form
    101,424.48/152,098.08 = 40,616.16/x
  3. Step 3: Cross multiply
    101,424.48x = 152,098.08 × 40,616.16
  4. Step 4: Simplify right side
    101,424.48x = 6,177,639,952.97
  5. Step 5: Solve for x
    x = 6,177,639,952.97/101,424.48
  6. Step 6: Final answer
    x = 60,908.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.