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Finding the Fourth Proportional to 220,292.54, 330,439.13 and 54,080.54

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Solution

The fourth proportional to 220,292.54, 330,439.13 and 54,080.54 is: 81,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,292.54 : 330,439.13 = 54,080.54 : x
  2. Step 2: Convert to fraction form
    220,292.54/330,439.13 = 54,080.54/x
  3. Step 3: Cross multiply
    220,292.54x = 330,439.13 × 54,080.54
  4. Step 4: Simplify right side
    220,292.54x = 17,870,326,587.53
  5. Step 5: Solve for x
    x = 17,870,326,587.53/220,292.54
  6. Step 6: Final answer
    x = 81,120.89

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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.