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Finding the Fourth Proportional to 224,987.92, 338,006.76 and 131,559.28

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Solution

The fourth proportional to 224,987.92, 338,006.76 and 131,559.28 is: 197,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,987.92 : 338,006.76 = 131,559.28 : x
  2. Step 2: Convert to fraction form
    224,987.92/338,006.76 = 131,559.28/x
  3. Step 3: Cross multiply
    224,987.92x = 338,006.76 × 131,559.28
  4. Step 4: Simplify right side
    224,987.92x = 44,467,925,980.73
  5. Step 5: Solve for x
    x = 44,467,925,980.73/224,987.92
  6. Step 6: Final answer
    x = 197,645.84

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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.