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Finding the Fourth Proportional to 173,687.60, 260,531.40 and 154,004.60

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Solution

The fourth proportional to 173,687.60, 260,531.40 and 154,004.60 is: 231,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,687.60 : 260,531.40 = 154,004.60 : x
  2. Step 2: Convert to fraction form
    173,687.60/260,531.40 = 154,004.60/x
  3. Step 3: Cross multiply
    173,687.60x = 260,531.40 × 154,004.60
  4. Step 4: Simplify right side
    173,687.60x = 40,123,034,044.44
  5. Step 5: Solve for x
    x = 40,123,034,044.44/173,687.60
  6. Step 6: Final answer
    x = 231,006.90

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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.