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Finding the Fourth Proportional to 159,540.60, 220,167.54 and 87,923.24

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Solution

The fourth proportional to 159,540.60, 220,167.54 and 87,923.24 is: 121,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.60 : 220,167.54 = 87,923.24 : x
  2. Step 2: Convert to fraction form
    159,540.60/220,167.54 = 87,923.24/x
  3. Step 3: Cross multiply
    159,540.60x = 220,167.54 × 87,923.24
  4. Step 4: Simplify right side
    159,540.60x = 19,357,841,919.18
  5. Step 5: Solve for x
    x = 19,357,841,919.18/159,540.60
  6. Step 6: Final answer
    x = 121,334.89

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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.