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Finding the Fourth Proportional to 167,154.64, 250,851.67 and 71,159.15

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Solution

The fourth proportional to 167,154.64, 250,851.67 and 71,159.15 is: 106,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,154.64 : 250,851.67 = 71,159.15 : x
  2. Step 2: Convert to fraction form
    167,154.64/250,851.67 = 71,159.15/x
  3. Step 3: Cross multiply
    167,154.64x = 250,851.67 × 71,159.15
  4. Step 4: Simplify right side
    167,154.64x = 17,850,391,613.28
  5. Step 5: Solve for x
    x = 17,850,391,613.28/167,154.64
  6. Step 6: Final answer
    x = 106,789.69

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1.5x scale

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.