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Finding the Fourth Proportional to 155,591.29, 214,716.86 and 88,523.29

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Solution

The fourth proportional to 155,591.29, 214,716.86 and 88,523.29 is: 122,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,591.29 : 214,716.86 = 88,523.29 : x
  2. Step 2: Convert to fraction form
    155,591.29/214,716.86 = 88,523.29/x
  3. Step 3: Cross multiply
    155,591.29x = 214,716.86 × 88,523.29
  4. Step 4: Simplify right side
    155,591.29x = 19,007,442,865.67
  5. Step 5: Solve for x
    x = 19,007,442,865.67/155,591.29
  6. Step 6: Final answer
    x = 122,162.64

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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.