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Finding the Fourth Proportional to 66,829, 92,198.58 and 44,178.76

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Solution

The fourth proportional to 66,829, 92,198.58 and 44,178.76 is: 60,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829 : 92,198.58 = 44,178.76 : x
  2. Step 2: Convert to fraction form
    66,829/92,198.58 = 44,178.76/x
  3. Step 3: Cross multiply
    66,829x = 92,198.58 × 44,178.76
  4. Step 4: Simplify right side
    66,829x = 4,073,218,938.16
  5. Step 5: Solve for x
    x = 4,073,218,938.16/66,829
  6. Step 6: Final answer
    x = 60,949.87

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1.5x scale

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.