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Finding the Fourth Proportional to 72,211.46, 108,290.66 and 24,813.11

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Solution

The fourth proportional to 72,211.46, 108,290.66 and 24,813.11 is: 37,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.46 : 108,290.66 = 24,813.11 : x
  2. Step 2: Convert to fraction form
    72,211.46/108,290.66 = 24,813.11/x
  3. Step 3: Cross multiply
    72,211.46x = 108,290.66 × 24,813.11
  4. Step 4: Simplify right side
    72,211.46x = 2,687,028,391.31
  5. Step 5: Solve for x
    x = 2,687,028,391.31/72,211.46
  6. Step 6: Final answer
    x = 37,210.55

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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.