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Finding the Fourth Proportional to 316,734.60, 475,132.80 and 92,096.76

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Solution

The fourth proportional to 316,734.60, 475,132.80 and 92,096.76 is: 138,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,734.60 : 475,132.80 = 92,096.76 : x
  2. Step 2: Convert to fraction form
    316,734.60/475,132.80 = 92,096.76/x
  3. Step 3: Cross multiply
    316,734.60x = 475,132.80 × 92,096.76
  4. Step 4: Simplify right side
    316,734.60x = 43,758,191,449.73
  5. Step 5: Solve for x
    x = 43,758,191,449.73/316,734.60
  6. Step 6: Final answer
    x = 138,154.12

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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.