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Finding the Fourth Proportional to 124,783.92, 187,088.22 and 43,711.11

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Solution

The fourth proportional to 124,783.92, 187,088.22 and 43,711.11 is: 65,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.92 : 187,088.22 = 43,711.11 : x
  2. Step 2: Convert to fraction form
    124,783.92/187,088.22 = 43,711.11/x
  3. Step 3: Cross multiply
    124,783.92x = 187,088.22 × 43,711.11
  4. Step 4: Simplify right side
    124,783.92x = 8,177,833,764.12
  5. Step 5: Solve for x
    x = 8,177,833,764.12/124,783.92
  6. Step 6: Final answer
    x = 65,535.96

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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.