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Finding the Fourth Proportional to 181,286.88, 250,182.94 and 124,046.20

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Solution

The fourth proportional to 181,286.88, 250,182.94 and 124,046.20 is: 171,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,286.88 : 250,182.94 = 124,046.20 : x
  2. Step 2: Convert to fraction form
    181,286.88/250,182.94 = 124,046.20/x
  3. Step 3: Cross multiply
    181,286.88x = 250,182.94 × 124,046.20
  4. Step 4: Simplify right side
    181,286.88x = 31,034,243,011.83
  5. Step 5: Solve for x
    x = 31,034,243,011.83/181,286.88
  6. Step 6: Final answer
    x = 171,188.58

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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.