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Finding the Fourth Proportional to 137,604.52, 206,406.96 and 37,766.08

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Solution

The fourth proportional to 137,604.52, 206,406.96 and 37,766.08 is: 56,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,604.52 : 206,406.96 = 37,766.08 : x
  2. Step 2: Convert to fraction form
    137,604.52/206,406.96 = 37,766.08/x
  3. Step 3: Cross multiply
    137,604.52x = 206,406.96 × 37,766.08
  4. Step 4: Simplify right side
    137,604.52x = 7,795,181,763.92
  5. Step 5: Solve for x
    x = 7,795,181,763.92/137,604.52
  6. Step 6: Final answer
    x = 56,649.17

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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.