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Finding the Fourth Proportional to 87,174.98, 130,812.92 and 36,569.48

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Solution

The fourth proportional to 87,174.98, 130,812.92 and 36,569.48 is: 54,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.98 : 130,812.92 = 36,569.48 : x
  2. Step 2: Convert to fraction form
    87,174.98/130,812.92 = 36,569.48/x
  3. Step 3: Cross multiply
    87,174.98x = 130,812.92 × 36,569.48
  4. Step 4: Simplify right side
    87,174.98x = 4,783,759,899.04
  5. Step 5: Solve for x
    x = 4,783,759,899.04/87,174.98
  6. Step 6: Final answer
    x = 54,875.38

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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.