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Finding the Fourth Proportional to 171,515.60, 256,720.44 and 88,295.12

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Solution

The fourth proportional to 171,515.60, 256,720.44 and 88,295.12 is: 132,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,515.60 : 256,720.44 = 88,295.12 : x
  2. Step 2: Convert to fraction form
    171,515.60/256,720.44 = 88,295.12/x
  3. Step 3: Cross multiply
    171,515.60x = 256,720.44 × 88,295.12
  4. Step 4: Simplify right side
    171,515.60x = 22,667,162,056.25
  5. Step 5: Solve for x
    x = 22,667,162,056.25/171,515.60
  6. Step 6: Final answer
    x = 132,158.02

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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.