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Finding the Fourth Proportional to 155,165.70, 232,748.55 and 92,180.10

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Solution

The fourth proportional to 155,165.70, 232,748.55 and 92,180.10 is: 138,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,165.70 : 232,748.55 = 92,180.10 : x
  2. Step 2: Convert to fraction form
    155,165.70/232,748.55 = 92,180.10/x
  3. Step 3: Cross multiply
    155,165.70x = 232,748.55 × 92,180.10
  4. Step 4: Simplify right side
    155,165.70x = 21,454,784,613.86
  5. Step 5: Solve for x
    x = 21,454,784,613.86/155,165.70
  6. Step 6: Final answer
    x = 138,270.15

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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.