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Finding the Fourth Proportional to 75,111.67, 112,726.22 and 33,020.83

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Solution

The fourth proportional to 75,111.67, 112,726.22 and 33,020.83 is: 49,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.67 : 112,726.22 = 33,020.83 : x
  2. Step 2: Convert to fraction form
    75,111.67/112,726.22 = 33,020.83/x
  3. Step 3: Cross multiply
    75,111.67x = 112,726.22 × 33,020.83
  4. Step 4: Simplify right side
    75,111.67x = 3,722,313,347.16
  5. Step 5: Solve for x
    x = 3,722,313,347.16/75,111.67
  6. Step 6: Final answer
    x = 49,557.06

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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.