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Finding the Fourth Proportional to 245,734.12, 368,617.92 and 83,562.12

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Solution

The fourth proportional to 245,734.12, 368,617.92 and 83,562.12 is: 125,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,734.12 : 368,617.92 = 83,562.12 : x
  2. Step 2: Convert to fraction form
    245,734.12/368,617.92 = 83,562.12/x
  3. Step 3: Cross multiply
    245,734.12x = 368,617.92 × 83,562.12
  4. Step 4: Simplify right side
    245,734.12x = 30,802,494,865.19
  5. Step 5: Solve for x
    x = 30,802,494,865.19/245,734.12
  6. Step 6: Final answer
    x = 125,348.87

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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.