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Finding the Fourth Proportional to 221,633.92, 332,265.84 and 103,244.32

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Solution

The fourth proportional to 221,633.92, 332,265.84 and 103,244.32 is: 154,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,633.92 : 332,265.84 = 103,244.32 : x
  2. Step 2: Convert to fraction form
    221,633.92/332,265.84 = 103,244.32/x
  3. Step 3: Cross multiply
    221,633.92x = 332,265.84 × 103,244.32
  4. Step 4: Simplify right side
    221,633.92x = 34,304,560,710.03
  5. Step 5: Solve for x
    x = 34,304,560,710.03/221,633.92
  6. Step 6: Final answer
    x = 154,780.28

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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.