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Finding the Fourth Proportional to 276,615.90, 381,635.42 and 167,753.52

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Solution

The fourth proportional to 276,615.90, 381,635.42 and 167,753.52 is: 231,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,615.90 : 381,635.42 = 167,753.52 : x
  2. Step 2: Convert to fraction form
    276,615.90/381,635.42 = 167,753.52/x
  3. Step 3: Cross multiply
    276,615.90x = 381,635.42 × 167,753.52
  4. Step 4: Simplify right side
    276,615.90x = 64,020,684,222.91
  5. Step 5: Solve for x
    x = 64,020,684,222.91/276,615.90
  6. Step 6: Final answer
    x = 231,442.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.