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Finding the Fourth Proportional to 73,252.80, 109,895.79 and 26,505.66

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Solution

The fourth proportional to 73,252.80, 109,895.79 and 26,505.66 is: 39,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.80 : 109,895.79 = 26,505.66 : x
  2. Step 2: Convert to fraction form
    73,252.80/109,895.79 = 26,505.66/x
  3. Step 3: Cross multiply
    73,252.80x = 109,895.79 × 26,505.66
  4. Step 4: Simplify right side
    73,252.80x = 2,912,860,445.17
  5. Step 5: Solve for x
    x = 2,912,860,445.17/73,252.80
  6. Step 6: Final answer
    x = 39,764.49

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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.