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Finding the Fourth Proportional to 252,892.53, 379,551.62 and 126,494.86

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Solution

The fourth proportional to 252,892.53, 379,551.62 and 126,494.86 is: 189,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,892.53 : 379,551.62 = 126,494.86 : x
  2. Step 2: Convert to fraction form
    252,892.53/379,551.62 = 126,494.86/x
  3. Step 3: Cross multiply
    252,892.53x = 379,551.62 × 126,494.86
  4. Step 4: Simplify right side
    252,892.53x = 48,011,329,034.67
  5. Step 5: Solve for x
    x = 48,011,329,034.67/252,892.53
  6. Step 6: Final answer
    x = 189,848.74

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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.