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Finding the Fourth Proportional to 181,487.80, 272,231.70 and 125,500.60

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Solution

The fourth proportional to 181,487.80, 272,231.70 and 125,500.60 is: 188,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,487.80 : 272,231.70 = 125,500.60 : x
  2. Step 2: Convert to fraction form
    181,487.80/272,231.70 = 125,500.60/x
  3. Step 3: Cross multiply
    181,487.80x = 272,231.70 × 125,500.60
  4. Step 4: Simplify right side
    181,487.80x = 34,165,241,689.02
  5. Step 5: Solve for x
    x = 34,165,241,689.02/181,487.80
  6. Step 6: Final answer
    x = 188,250.90

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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.