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Finding the Fourth Proportional to 134,257.92, 201,320.96 and 55,411.20

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Solution

The fourth proportional to 134,257.92, 201,320.96 and 55,411.20 is: 83,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,257.92 : 201,320.96 = 55,411.20 : x
  2. Step 2: Convert to fraction form
    134,257.92/201,320.96 = 55,411.20/x
  3. Step 3: Cross multiply
    134,257.92x = 201,320.96 × 55,411.20
  4. Step 4: Simplify right side
    134,257.92x = 11,155,435,978.75
  5. Step 5: Solve for x
    x = 11,155,435,978.75/134,257.92
  6. Step 6: Final answer
    x = 83,089.59

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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.