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Finding the Fourth Proportional to 73,436.44, 101,342.10 and 39,902.44

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Solution

The fourth proportional to 73,436.44, 101,342.10 and 39,902.44 is: 55,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,436.44 : 101,342.10 = 39,902.44 : x
  2. Step 2: Convert to fraction form
    73,436.44/101,342.10 = 39,902.44/x
  3. Step 3: Cross multiply
    73,436.44x = 101,342.10 × 39,902.44
  4. Step 4: Simplify right side
    73,436.44x = 4,043,797,064.72
  5. Step 5: Solve for x
    x = 4,043,797,064.72/73,436.44
  6. Step 6: Final answer
    x = 55,065.27

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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.