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Finding the Fourth Proportional to 74,195.79, 111,298.79 and 29,822.57

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Solution

The fourth proportional to 74,195.79, 111,298.79 and 29,822.57 is: 44,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.79 : 111,298.79 = 29,822.57 : x
  2. Step 2: Convert to fraction form
    74,195.79/111,298.79 = 29,822.57/x
  3. Step 3: Cross multiply
    74,195.79x = 111,298.79 × 29,822.57
  4. Step 4: Simplify right side
    74,195.79x = 3,319,215,955.69
  5. Step 5: Solve for x
    x = 3,319,215,955.69/74,195.79
  6. Step 6: Final answer
    x = 44,735.91

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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.