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Finding the Fourth Proportional to 173,691.70, 260,537.55 and 144,167.20

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Solution

The fourth proportional to 173,691.70, 260,537.55 and 144,167.20 is: 216,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,691.70 : 260,537.55 = 144,167.20 : x
  2. Step 2: Convert to fraction form
    173,691.70/260,537.55 = 144,167.20/x
  3. Step 3: Cross multiply
    173,691.70x = 260,537.55 × 144,167.20
  4. Step 4: Simplify right side
    173,691.70x = 37,560,969,078.36
  5. Step 5: Solve for x
    x = 37,560,969,078.36/173,691.70
  6. Step 6: Final answer
    x = 216,250.80

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1.5x scale

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.