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Finding the Fourth Proportional to 125,967.88, 188,978.47 and 41,723.27

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Solution

The fourth proportional to 125,967.88, 188,978.47 and 41,723.27 is: 62,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,967.88 : 188,978.47 = 41,723.27 : x
  2. Step 2: Convert to fraction form
    125,967.88/188,978.47 = 41,723.27/x
  3. Step 3: Cross multiply
    125,967.88x = 188,978.47 × 41,723.27
  4. Step 4: Simplify right side
    125,967.88x = 7,884,799,387.47
  5. Step 5: Solve for x
    x = 7,884,799,387.47/125,967.88
  6. Step 6: Final answer
    x = 62,593.73

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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.