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Finding the Fourth Proportional to 87,318.68, 130,868.42 and 37,340.01

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Solution

The fourth proportional to 87,318.68, 130,868.42 and 37,340.01 is: 55,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,318.68 : 130,868.42 = 37,340.01 : x
  2. Step 2: Convert to fraction form
    87,318.68/130,868.42 = 37,340.01/x
  3. Step 3: Cross multiply
    87,318.68x = 130,868.42 × 37,340.01
  4. Step 4: Simplify right side
    87,318.68x = 4,886,627,924.78
  5. Step 5: Solve for x
    x = 4,886,627,924.78/87,318.68
  6. Step 6: Final answer
    x = 55,963.15

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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.