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Finding the Fourth Proportional to 173,506.60, 260,843.10 and 147,845.80

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Solution

The fourth proportional to 173,506.60, 260,843.10 and 147,845.80 is: 222,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,506.60 : 260,843.10 = 147,845.80 : x
  2. Step 2: Convert to fraction form
    173,506.60/260,843.10 = 147,845.80/x
  3. Step 3: Cross multiply
    173,506.60x = 260,843.10 × 147,845.80
  4. Step 4: Simplify right side
    173,506.60x = 38,564,556,793.98
  5. Step 5: Solve for x
    x = 38,564,556,793.98/173,506.60
  6. Step 6: Final answer
    x = 222,265.65

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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.