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Finding the Fourth Proportional to 137,853.82, 206,780.82 and 44,359.57

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Solution

The fourth proportional to 137,853.82, 206,780.82 and 44,359.57 is: 66,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853.82 : 206,780.82 = 44,359.57 : x
  2. Step 2: Convert to fraction form
    137,853.82/206,780.82 = 44,359.57/x
  3. Step 3: Cross multiply
    137,853.82x = 206,780.82 × 44,359.57
  4. Step 4: Simplify right side
    137,853.82x = 9,172,708,259.45
  5. Step 5: Solve for x
    x = 9,172,708,259.45/137,853.82
  6. Step 6: Final answer
    x = 66,539.38

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1.5x scale

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.