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Finding the Fourth Proportional to 73,230.45, 101,039.88 and 41,398.65

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Solution

The fourth proportional to 73,230.45, 101,039.88 and 41,398.65 is: 57,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,230.45 : 101,039.88 = 41,398.65 : x
  2. Step 2: Convert to fraction form
    73,230.45/101,039.88 = 41,398.65/x
  3. Step 3: Cross multiply
    73,230.45x = 101,039.88 × 41,398.65
  4. Step 4: Simplify right side
    73,230.45x = 4,182,914,628.16
  5. Step 5: Solve for x
    x = 4,182,914,628.16/73,230.45
  6. Step 6: Final answer
    x = 57,119.88

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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.