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Finding the Fourth Proportional to 220,225.57, 330,338.56 and 54,013.57

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Solution

The fourth proportional to 220,225.57, 330,338.56 and 54,013.57 is: 81,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,225.57 : 330,338.56 = 54,013.57 : x
  2. Step 2: Convert to fraction form
    220,225.57/330,338.56 = 54,013.57/x
  3. Step 3: Cross multiply
    220,225.57x = 330,338.56 × 54,013.57
  4. Step 4: Simplify right side
    220,225.57x = 17,842,764,934.26
  5. Step 5: Solve for x
    x = 17,842,764,934.26/220,225.57
  6. Step 6: Final answer
    x = 81,020.41

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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.