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Finding the Fourth Proportional to 181,672.88, 250,494.12 and 124,339.86

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Solution

The fourth proportional to 181,672.88, 250,494.12 and 124,339.86 is: 171,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,672.88 : 250,494.12 = 124,339.86 : x
  2. Step 2: Convert to fraction form
    181,672.88/250,494.12 = 124,339.86/x
  3. Step 3: Cross multiply
    181,672.88x = 250,494.12 × 124,339.86
  4. Step 4: Simplify right side
    181,672.88x = 31,146,403,811.62
  5. Step 5: Solve for x
    x = 31,146,403,811.62/181,672.88
  6. Step 6: Final answer
    x = 171,442.24

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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.