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Finding the Fourth Proportional to 181,286.61, 250,182.57 and 124,045.94

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Solution

The fourth proportional to 181,286.61, 250,182.57 and 124,045.94 is: 171,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,286.61 : 250,182.57 = 124,045.94 : x
  2. Step 2: Convert to fraction form
    181,286.61/250,182.57 = 124,045.94/x
  3. Step 3: Cross multiply
    181,286.61x = 250,182.57 × 124,045.94
  4. Step 4: Simplify right side
    181,286.61x = 31,034,130,816.35
  5. Step 5: Solve for x
    x = 31,034,130,816.35/181,286.61
  6. Step 6: Final answer
    x = 171,188.21

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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.