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Finding the Fourth Proportional to 151,854.70, 227,776.65 and 68,748.70

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Solution

The fourth proportional to 151,854.70, 227,776.65 and 68,748.70 is: 103,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,854.70 : 227,776.65 = 68,748.70 : x
  2. Step 2: Convert to fraction form
    151,854.70/227,776.65 = 68,748.70/x
  3. Step 3: Cross multiply
    151,854.70x = 227,776.65 × 68,748.70
  4. Step 4: Simplify right side
    151,854.70x = 15,659,348,577.86
  5. Step 5: Solve for x
    x = 15,659,348,577.86/151,854.70
  6. Step 6: Final answer
    x = 103,120.61

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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.