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Finding the Fourth Proportional to 114,634.10, 171,951.15 and 88,390.10

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Solution

The fourth proportional to 114,634.10, 171,951.15 and 88,390.10 is: 132,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,634.10 : 171,951.15 = 88,390.10 : x
  2. Step 2: Convert to fraction form
    114,634.10/171,951.15 = 88,390.10/x
  3. Step 3: Cross multiply
    114,634.10x = 171,951.15 × 88,390.10
  4. Step 4: Simplify right side
    114,634.10x = 15,198,779,343.62
  5. Step 5: Solve for x
    x = 15,198,779,343.62/114,634.10
  6. Step 6: Final answer
    x = 132,585.15

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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.