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Finding the Fourth Proportional to 220,062.33, 330,250.91 and 93,791.34

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Solution

The fourth proportional to 220,062.33, 330,250.91 and 93,791.34 is: 140,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,062.33 : 330,250.91 = 93,791.34 : x
  2. Step 2: Convert to fraction form
    220,062.33/330,250.91 = 93,791.34/x
  3. Step 3: Cross multiply
    220,062.33x = 330,250.91 × 93,791.34
  4. Step 4: Simplify right side
    220,062.33x = 30,974,674,916.16
  5. Step 5: Solve for x
    x = 30,974,674,916.16/220,062.33
  6. Step 6: Final answer
    x = 140,754.10

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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.