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Finding the Fourth Proportional to 73,299.85, 101,101.66 and 67,269.58

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Solution

The fourth proportional to 73,299.85, 101,101.66 and 67,269.58 is: 92,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,299.85 : 101,101.66 = 67,269.58 : x
  2. Step 2: Convert to fraction form
    73,299.85/101,101.66 = 67,269.58/x
  3. Step 3: Cross multiply
    73,299.85x = 101,101.66 × 67,269.58
  4. Step 4: Simplify right side
    73,299.85x = 6,801,065,784.57
  5. Step 5: Solve for x
    x = 6,801,065,784.57/73,299.85
  6. Step 6: Final answer
    x = 92,784.17

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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.