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Finding the Fourth Proportional to 69,495.80, 95,885.58 and 41,178.04

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Solution

The fourth proportional to 69,495.80, 95,885.58 and 41,178.04 is: 56,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.80 : 95,885.58 = 41,178.04 : x
  2. Step 2: Convert to fraction form
    69,495.80/95,885.58 = 41,178.04/x
  3. Step 3: Cross multiply
    69,495.80x = 95,885.58 × 41,178.04
  4. Step 4: Simplify right side
    69,495.80x = 3,948,380,248.66
  5. Step 5: Solve for x
    x = 3,948,380,248.66/69,495.80
  6. Step 6: Final answer
    x = 56,814.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.