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Finding the Fourth Proportional to 67,961.46, 101,484.46 and 55,506.20

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Solution

The fourth proportional to 67,961.46, 101,484.46 and 55,506.20 is: 82,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,961.46 : 101,484.46 = 55,506.20 : x
  2. Step 2: Convert to fraction form
    67,961.46/101,484.46 = 55,506.20/x
  3. Step 3: Cross multiply
    67,961.46x = 101,484.46 × 55,506.20
  4. Step 4: Simplify right side
    67,961.46x = 5,633,016,295.61
  5. Step 5: Solve for x
    x = 5,633,016,295.61/67,961.46
  6. Step 6: Final answer
    x = 82,885.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.