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Finding the Fourth Proportional to 179,489.60, 247,714.08 and 107,892.80

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Solution

The fourth proportional to 179,489.60, 247,714.08 and 107,892.80 is: 148,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,489.60 : 247,714.08 = 107,892.80 : x
  2. Step 2: Convert to fraction form
    179,489.60/247,714.08 = 107,892.80/x
  3. Step 3: Cross multiply
    179,489.60x = 247,714.08 × 107,892.80
  4. Step 4: Simplify right side
    179,489.60x = 26,726,565,690.62
  5. Step 5: Solve for x
    x = 26,726,565,690.62/179,489.60
  6. Step 6: Final answer
    x = 148,903.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.