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Finding the Fourth Proportional to 112,522.73, 155,295.55 and 73,793.12

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Solution

The fourth proportional to 112,522.73, 155,295.55 and 73,793.12 is: 101,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,522.73 : 155,295.55 = 73,793.12 : x
  2. Step 2: Convert to fraction form
    112,522.73/155,295.55 = 73,793.12/x
  3. Step 3: Cross multiply
    112,522.73x = 155,295.55 × 73,793.12
  4. Step 4: Simplify right side
    112,522.73x = 11,459,743,729.34
  5. Step 5: Solve for x
    x = 11,459,743,729.34/112,522.73
  6. Step 6: Final answer
    x = 101,843.81

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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.