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Finding the Fourth Proportional to 137,675.45, 206,513.19 and 48,932.46

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Solution

The fourth proportional to 137,675.45, 206,513.19 and 48,932.46 is: 73,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,675.45 : 206,513.19 = 48,932.46 : x
  2. Step 2: Convert to fraction form
    137,675.45/206,513.19 = 48,932.46/x
  3. Step 3: Cross multiply
    137,675.45x = 206,513.19 × 48,932.46
  4. Step 4: Simplify right side
    137,675.45x = 10,105,198,409.15
  5. Step 5: Solve for x
    x = 10,105,198,409.15/137,675.45
  6. Step 6: Final answer
    x = 73,398.70

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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.