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Finding the Fourth Proportional to 173,747.70, 260,621.55 and 171,123.30

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Solution

The fourth proportional to 173,747.70, 260,621.55 and 171,123.30 is: 256,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,747.70 : 260,621.55 = 171,123.30 : x
  2. Step 2: Convert to fraction form
    173,747.70/260,621.55 = 171,123.30/x
  3. Step 3: Cross multiply
    173,747.70x = 260,621.55 × 171,123.30
  4. Step 4: Simplify right side
    173,747.70x = 44,598,419,687.12
  5. Step 5: Solve for x
    x = 44,598,419,687.12/173,747.70
  6. Step 6: Final answer
    x = 256,684.95

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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.