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Finding the Fourth Proportional to 361,590.88, 542,416.56 and 124,837.60

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Solution

The fourth proportional to 361,590.88, 542,416.56 and 124,837.60 is: 187,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,590.88 : 542,416.56 = 124,837.60 : x
  2. Step 2: Convert to fraction form
    361,590.88/542,416.56 = 124,837.60/x
  3. Step 3: Cross multiply
    361,590.88x = 542,416.56 × 124,837.60
  4. Step 4: Simplify right side
    361,590.88x = 67,713,981,550.66
  5. Step 5: Solve for x
    x = 67,713,981,550.66/361,590.88
  6. Step 6: Final answer
    x = 187,266.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.