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Finding the Fourth Proportional to 87,707.65, 131,569.77 and 24,527.77

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Solution

The fourth proportional to 87,707.65, 131,569.77 and 24,527.77 is: 36,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,707.65 : 131,569.77 = 24,527.77 : x
  2. Step 2: Convert to fraction form
    87,707.65/131,569.77 = 24,527.77/x
  3. Step 3: Cross multiply
    87,707.65x = 131,569.77 × 24,527.77
  4. Step 4: Simplify right side
    87,707.65x = 3,227,113,057.51
  5. Step 5: Solve for x
    x = 3,227,113,057.51/87,707.65
  6. Step 6: Final answer
    x = 36,793.97

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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.