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Finding the Fourth Proportional to 75,240.50, 112,867.67 and 27,221.11

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Solution

The fourth proportional to 75,240.50, 112,867.67 and 27,221.11 is: 40,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,240.50 : 112,867.67 = 27,221.11 : x
  2. Step 2: Convert to fraction form
    75,240.50/112,867.67 = 27,221.11/x
  3. Step 3: Cross multiply
    75,240.50x = 112,867.67 × 27,221.11
  4. Step 4: Simplify right side
    75,240.50x = 3,072,383,046.40
  5. Step 5: Solve for x
    x = 3,072,383,046.40/75,240.50
  6. Step 6: Final answer
    x = 40,834.17

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1.5x scale

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.