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Finding the Fourth Proportional to 185,489.72, 278,627.98 and 174,691.88

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Solution

The fourth proportional to 185,489.72, 278,627.98 and 174,691.88 is: 262,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,489.72 : 278,627.98 = 174,691.88 : x
  2. Step 2: Convert to fraction form
    185,489.72/278,627.98 = 174,691.88/x
  3. Step 3: Cross multiply
    185,489.72x = 278,627.98 × 174,691.88
  4. Step 4: Simplify right side
    185,489.72x = 48,674,045,646.80
  5. Step 5: Solve for x
    x = 48,674,045,646.80/185,489.72
  6. Step 6: Final answer
    x = 262,408.32

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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.