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Finding the Fourth Proportional to 67,554.81, 101,250.30 and 49,619.18

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Solution

The fourth proportional to 67,554.81, 101,250.30 and 49,619.18 is: 74,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,554.81 : 101,250.30 = 49,619.18 : x
  2. Step 2: Convert to fraction form
    67,554.81/101,250.30 = 49,619.18/x
  3. Step 3: Cross multiply
    67,554.81x = 101,250.30 × 49,619.18
  4. Step 4: Simplify right side
    67,554.81x = 5,023,957,299.95
  5. Step 5: Solve for x
    x = 5,023,957,299.95/67,554.81
  6. Step 6: Final answer
    x = 74,368.61

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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.