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Finding the Fourth Proportional to 159,874.03, 220,622.56 and 88,260.85

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Solution

The fourth proportional to 159,874.03, 220,622.56 and 88,260.85 is: 121,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,874.03 : 220,622.56 = 88,260.85 : x
  2. Step 2: Convert to fraction form
    159,874.03/220,622.56 = 88,260.85/x
  3. Step 3: Cross multiply
    159,874.03x = 220,622.56 × 88,260.85
  4. Step 4: Simplify right side
    159,874.03x = 19,472,334,674.78
  5. Step 5: Solve for x
    x = 19,472,334,674.78/159,874.03
  6. Step 6: Final answer
    x = 121,797.98

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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.