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Finding the Fourth Proportional to 181,841.97, 250,697.30 and 127,320.81

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Solution

The fourth proportional to 181,841.97, 250,697.30 and 127,320.81 is: 175,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,841.97 : 250,697.30 = 127,320.81 : x
  2. Step 2: Convert to fraction form
    181,841.97/250,697.30 = 127,320.81/x
  3. Step 3: Cross multiply
    181,841.97x = 250,697.30 × 127,320.81
  4. Step 4: Simplify right side
    181,841.97x = 31,918,981,724.09
  5. Step 5: Solve for x
    x = 31,918,981,724.09/181,841.97
  6. Step 6: Final answer
    x = 175,531.43

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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.