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Finding the Fourth Proportional to 75,062.56, 112,530.25 and 32,910.70

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Solution

The fourth proportional to 75,062.56, 112,530.25 and 32,910.70 is: 49,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.56 : 112,530.25 = 32,910.70 : x
  2. Step 2: Convert to fraction form
    75,062.56/112,530.25 = 32,910.70/x
  3. Step 3: Cross multiply
    75,062.56x = 112,530.25 × 32,910.70
  4. Step 4: Simplify right side
    75,062.56x = 3,703,449,058.49
  5. Step 5: Solve for x
    x = 3,703,449,058.49/75,062.56
  6. Step 6: Final answer
    x = 49,338.17

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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.