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Finding the Fourth Proportional to 69,509.86, 104,272.08 and 22,766.38

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Solution

The fourth proportional to 69,509.86, 104,272.08 and 22,766.38 is: 34,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.86 : 104,272.08 = 22,766.38 : x
  2. Step 2: Convert to fraction form
    69,509.86/104,272.08 = 22,766.38/x
  3. Step 3: Cross multiply
    69,509.86x = 104,272.08 × 22,766.38
  4. Step 4: Simplify right side
    69,509.86x = 2,373,897,796.67
  5. Step 5: Solve for x
    x = 2,373,897,796.67/69,509.86
  6. Step 6: Final answer
    x = 34,151.96

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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.