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Finding the Fourth Proportional to 221,733.92, 332,393.52 and 81,454.88

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Solution

The fourth proportional to 221,733.92, 332,393.52 and 81,454.88 is: 122,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,733.92 : 332,393.52 = 81,454.88 : x
  2. Step 2: Convert to fraction form
    221,733.92/332,393.52 = 81,454.88/x
  3. Step 3: Cross multiply
    221,733.92x = 332,393.52 × 81,454.88
  4. Step 4: Simplify right side
    221,733.92x = 27,075,074,284.38
  5. Step 5: Solve for x
    x = 27,075,074,284.38/221,733.92
  6. Step 6: Final answer
    x = 122,106.15

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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.