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Finding the Fourth Proportional to 181,568.70, 272,353.05 and 88,256.70

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Solution

The fourth proportional to 181,568.70, 272,353.05 and 88,256.70 is: 132,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,568.70 : 272,353.05 = 88,256.70 : x
  2. Step 2: Convert to fraction form
    181,568.70/272,353.05 = 88,256.70/x
  3. Step 3: Cross multiply
    181,568.70x = 272,353.05 × 88,256.70
  4. Step 4: Simplify right side
    181,568.70x = 24,036,981,427.94
  5. Step 5: Solve for x
    x = 24,036,981,427.94/181,568.70
  6. Step 6: Final answer
    x = 132,385.05

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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.