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Finding the Fourth Proportional to 80,325.70, 110,852.42 and 48,488.45

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Solution

The fourth proportional to 80,325.70, 110,852.42 and 48,488.45 is: 66,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.70 : 110,852.42 = 48,488.45 : x
  2. Step 2: Convert to fraction form
    80,325.70/110,852.42 = 48,488.45/x
  3. Step 3: Cross multiply
    80,325.70x = 110,852.42 × 48,488.45
  4. Step 4: Simplify right side
    80,325.70x = 5,375,061,227.84
  5. Step 5: Solve for x
    x = 5,375,061,227.84/80,325.70
  6. Step 6: Final answer
    x = 66,915.84

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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.