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Finding the Fourth Proportional to 372,684.68, 559,119.18 and 123,391.88

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Solution

The fourth proportional to 372,684.68, 559,119.18 and 123,391.88 is: 185,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,684.68 : 559,119.18 = 123,391.88 : x
  2. Step 2: Convert to fraction form
    372,684.68/559,119.18 = 123,391.88/x
  3. Step 3: Cross multiply
    372,684.68x = 559,119.18 × 123,391.88
  4. Step 4: Simplify right side
    372,684.68x = 68,990,766,764.26
  5. Step 5: Solve for x
    x = 68,990,766,764.26/372,684.68
  6. Step 6: Final answer
    x = 185,118.33

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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.