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Finding the Fourth Proportional to 324,809.16, 487,194.30 and 88,146.60

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Solution

The fourth proportional to 324,809.16, 487,194.30 and 88,146.60 is: 132,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,809.16 : 487,194.30 = 88,146.60 : x
  2. Step 2: Convert to fraction form
    324,809.16/487,194.30 = 88,146.60/x
  3. Step 3: Cross multiply
    324,809.16x = 487,194.30 × 88,146.60
  4. Step 4: Simplify right side
    324,809.16x = 42,944,521,084.38
  5. Step 5: Solve for x
    x = 42,944,521,084.38/324,809.16
  6. Step 6: Final answer
    x = 132,214.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.