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Finding the Fourth Proportional to 237,882.72, 328,287.62 and 130,456.61

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Solution

The fourth proportional to 237,882.72, 328,287.62 and 130,456.61 is: 180,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,882.72 : 328,287.62 = 130,456.61 : x
  2. Step 2: Convert to fraction form
    237,882.72/328,287.62 = 130,456.61/x
  3. Step 3: Cross multiply
    237,882.72x = 328,287.62 × 130,456.61
  4. Step 4: Simplify right side
    237,882.72x = 42,827,287,716.45
  5. Step 5: Solve for x
    x = 42,827,287,716.45/237,882.72
  6. Step 6: Final answer
    x = 180,035.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.