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Finding the Fourth Proportional to 72,209.67, 108,340.16 and 32,225.03

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Solution

The fourth proportional to 72,209.67, 108,340.16 and 32,225.03 is: 48,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,209.67 : 108,340.16 = 32,225.03 : x
  2. Step 2: Convert to fraction form
    72,209.67/108,340.16 = 32,225.03/x
  3. Step 3: Cross multiply
    72,209.67x = 108,340.16 × 32,225.03
  4. Step 4: Simplify right side
    72,209.67x = 3,491,264,203.38
  5. Step 5: Solve for x
    x = 3,491,264,203.38/72,209.67
  6. Step 6: Final answer
    x = 48,348.98

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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.