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Finding the Fourth Proportional to 374,074.47, 561,112.92 and 93,591.72

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Solution

The fourth proportional to 374,074.47, 561,112.92 and 93,591.72 is: 140,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,074.47 : 561,112.92 = 93,591.72 : x
  2. Step 2: Convert to fraction form
    374,074.47/561,112.92 = 93,591.72/x
  3. Step 3: Cross multiply
    374,074.47x = 561,112.92 × 93,591.72
  4. Step 4: Simplify right side
    374,074.47x = 52,515,523,297.02
  5. Step 5: Solve for x
    x = 52,515,523,297.02/374,074.47
  6. Step 6: Final answer
    x = 140,387.88

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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.