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Finding the Fourth Proportional to 159,926.48, 220,698.87 and 88,306.64

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Solution

The fourth proportional to 159,926.48, 220,698.87 and 88,306.64 is: 121,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926.48 : 220,698.87 = 88,306.64 : x
  2. Step 2: Convert to fraction form
    159,926.48/220,698.87 = 88,306.64/x
  3. Step 3: Cross multiply
    159,926.48x = 220,698.87 × 88,306.64
  4. Step 4: Simplify right side
    159,926.48x = 19,489,175,661.50
  5. Step 5: Solve for x
    x = 19,489,175,661.50/159,926.48
  6. Step 6: Final answer
    x = 121,863.34

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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.