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Finding the Fourth Proportional to 159,881.86, 220,634.32 and 88,260.04

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Solution

The fourth proportional to 159,881.86, 220,634.32 and 88,260.04 is: 121,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,881.86 : 220,634.32 = 88,260.04 : x
  2. Step 2: Convert to fraction form
    159,881.86/220,634.32 = 88,260.04/x
  3. Step 3: Cross multiply
    159,881.86x = 220,634.32 × 88,260.04
  4. Step 4: Simplify right side
    159,881.86x = 19,473,193,908.57
  5. Step 5: Solve for x
    x = 19,473,193,908.57/159,881.86
  6. Step 6: Final answer
    x = 121,797.39

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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.