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Finding the Fourth Proportional to 107,657.61, 161,545.87 and 44,463.03

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Solution

The fourth proportional to 107,657.61, 161,545.87 and 44,463.03 is: 66,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,657.61 : 161,545.87 = 44,463.03 : x
  2. Step 2: Convert to fraction form
    107,657.61/161,545.87 = 44,463.03/x
  3. Step 3: Cross multiply
    107,657.61x = 161,545.87 × 44,463.03
  4. Step 4: Simplify right side
    107,657.61x = 7,182,818,864.19
  5. Step 5: Solve for x
    x = 7,182,818,864.19/107,657.61
  6. Step 6: Final answer
    x = 66,719.10

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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.