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Finding the Fourth Proportional to 181,572.70, 272,359.05 and 88,260.70

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Solution

The fourth proportional to 181,572.70, 272,359.05 and 88,260.70 is: 132,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,572.70 : 272,359.05 = 88,260.70 : x
  2. Step 2: Convert to fraction form
    181,572.70/272,359.05 = 88,260.70/x
  3. Step 3: Cross multiply
    181,572.70x = 272,359.05 × 88,260.70
  4. Step 4: Simplify right side
    181,572.70x = 24,038,600,404.34
  5. Step 5: Solve for x
    x = 24,038,600,404.34/181,572.70
  6. Step 6: Final answer
    x = 132,391.05

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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.