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Finding the Fourth Proportional to 178,019.52, 266,734.32 and 125,170.80

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Solution

The fourth proportional to 178,019.52, 266,734.32 and 125,170.80 is: 187,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.52 : 266,734.32 = 125,170.80 : x
  2. Step 2: Convert to fraction form
    178,019.52/266,734.32 = 125,170.80/x
  3. Step 3: Cross multiply
    178,019.52x = 266,734.32 × 125,170.80
  4. Step 4: Simplify right side
    178,019.52x = 33,387,348,221.86
  5. Step 5: Solve for x
    x = 33,387,348,221.86/178,019.52
  6. Step 6: Final answer
    x = 187,548.80

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1.5x scale

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.