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Finding the Fourth Proportional to 171,397.56, 236,500.52 and 107,690.25

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Solution

The fourth proportional to 171,397.56, 236,500.52 and 107,690.25 is: 148,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397.56 : 236,500.52 = 107,690.25 : x
  2. Step 2: Convert to fraction form
    171,397.56/236,500.52 = 107,690.25/x
  3. Step 3: Cross multiply
    171,397.56x = 236,500.52 × 107,690.25
  4. Step 4: Simplify right side
    171,397.56x = 25,468,799,585.48
  5. Step 5: Solve for x
    x = 25,468,799,585.48/171,397.56
  6. Step 6: Final answer
    x = 148,594.88

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1.5x scale

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.