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Finding the Fourth Proportional to 159,853.64, 220,582.26 and 88,229.00

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Solution

The fourth proportional to 159,853.64, 220,582.26 and 88,229.00 is: 121,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.64 : 220,582.26 = 88,229.00 : x
  2. Step 2: Convert to fraction form
    159,853.64/220,582.26 = 88,229.00/x
  3. Step 3: Cross multiply
    159,853.64x = 220,582.26 × 88,229.00
  4. Step 4: Simplify right side
    159,853.64x = 19,461,752,769.00
  5. Step 5: Solve for x
    x = 19,461,752,769.00/159,853.64
  6. Step 6: Final answer
    x = 121,747.33

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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.