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Finding the Fourth Proportional to 313,151.62, 469,743.22 and 88,528.18

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Solution

The fourth proportional to 313,151.62, 469,743.22 and 88,528.18 is: 132,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,151.62 : 469,743.22 = 88,528.18 : x
  2. Step 2: Convert to fraction form
    313,151.62/469,743.22 = 88,528.18/x
  3. Step 3: Cross multiply
    313,151.62x = 469,743.22 × 88,528.18
  4. Step 4: Simplify right side
    313,151.62x = 41,585,512,333.94
  5. Step 5: Solve for x
    x = 41,585,512,333.94/313,151.62
  6. Step 6: Final answer
    x = 132,796.73

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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.