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Finding the Fourth Proportional to 67,309.55, 100,928.95 and 29,853.43

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Solution

The fourth proportional to 67,309.55, 100,928.95 and 29,853.43 is: 44,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,309.55 : 100,928.95 = 29,853.43 : x
  2. Step 2: Convert to fraction form
    67,309.55/100,928.95 = 29,853.43/x
  3. Step 3: Cross multiply
    67,309.55x = 100,928.95 × 29,853.43
  4. Step 4: Simplify right side
    67,309.55x = 3,013,075,343.80
  5. Step 5: Solve for x
    x = 3,013,075,343.80/67,309.55
  6. Step 6: Final answer
    x = 44,764.46

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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.