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Finding the Fourth Proportional to 74,141.97, 111,189.95 and 26,750.91

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Solution

The fourth proportional to 74,141.97, 111,189.95 and 26,750.91 is: 40,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.97 : 111,189.95 = 26,750.91 : x
  2. Step 2: Convert to fraction form
    74,141.97/111,189.95 = 26,750.91/x
  3. Step 3: Cross multiply
    74,141.97x = 111,189.95 × 26,750.91
  4. Step 4: Simplify right side
    74,141.97x = 2,974,432,685.37
  5. Step 5: Solve for x
    x = 2,974,432,685.37/74,141.97
  6. Step 6: Final answer
    x = 40,118.07

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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.