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Finding the Fourth Proportional to 48,079.98, 72,193.88 and 42,863.99

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Solution

The fourth proportional to 48,079.98, 72,193.88 and 42,863.99 is: 64,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.98 : 72,193.88 = 42,863.99 : x
  2. Step 2: Convert to fraction form
    48,079.98/72,193.88 = 42,863.99/x
  3. Step 3: Cross multiply
    48,079.98x = 72,193.88 × 42,863.99
  4. Step 4: Simplify right side
    48,079.98x = 3,094,517,496.57
  5. Step 5: Solve for x
    x = 3,094,517,496.57/48,079.98
  6. Step 6: Final answer
    x = 64,361.87

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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.