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Finding the Fourth Proportional to 203,522.17, 280,826.95 and 112,863.73

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Solution

The fourth proportional to 203,522.17, 280,826.95 and 112,863.73 is: 155,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,522.17 : 280,826.95 = 112,863.73 : x
  2. Step 2: Convert to fraction form
    203,522.17/280,826.95 = 112,863.73/x
  3. Step 3: Cross multiply
    203,522.17x = 280,826.95 × 112,863.73
  4. Step 4: Simplify right side
    203,522.17x = 31,695,177,061.52
  5. Step 5: Solve for x
    x = 31,695,177,061.52/203,522.17
  6. Step 6: Final answer
    x = 155,733.29

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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.