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Finding the Fourth Proportional to 69,454.50, 104,237.61 and 36,184.50

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Solution

The fourth proportional to 69,454.50, 104,237.61 and 36,184.50 is: 54,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,454.50 : 104,237.61 = 36,184.50 : x
  2. Step 2: Convert to fraction form
    69,454.50/104,237.61 = 36,184.50/x
  3. Step 3: Cross multiply
    69,454.50x = 104,237.61 × 36,184.50
  4. Step 4: Simplify right side
    69,454.50x = 3,771,785,799.05
  5. Step 5: Solve for x
    x = 3,771,785,799.05/69,454.50
  6. Step 6: Final answer
    x = 54,305.85

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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.