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Finding the Fourth Proportional to 220,561.67, 330,834.20 and 62,790.08

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Solution

The fourth proportional to 220,561.67, 330,834.20 and 62,790.08 is: 94,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,561.67 : 330,834.20 = 62,790.08 : x
  2. Step 2: Convert to fraction form
    220,561.67/330,834.20 = 62,790.08/x
  3. Step 3: Cross multiply
    220,561.67x = 330,834.20 × 62,790.08
  4. Step 4: Simplify right side
    220,561.67x = 20,773,103,916.61
  5. Step 5: Solve for x
    x = 20,773,103,916.61/220,561.67
  6. Step 6: Final answer
    x = 94,182.75

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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.