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Finding the Fourth Proportional to 374,462.52, 561,693.78 and 125,144.52

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Solution

The fourth proportional to 374,462.52, 561,693.78 and 125,144.52 is: 187,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,462.52 : 561,693.78 = 125,144.52 : x
  2. Step 2: Convert to fraction form
    374,462.52/561,693.78 = 125,144.52/x
  3. Step 3: Cross multiply
    374,462.52x = 561,693.78 × 125,144.52
  4. Step 4: Simplify right side
    374,462.52x = 70,292,898,485.09
  5. Step 5: Solve for x
    x = 70,292,898,485.09/374,462.52
  6. Step 6: Final answer
    x = 187,716.78

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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.