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Finding the Fourth Proportional to 204,611.96, 282,378.68 and 124,042.88

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Solution

The fourth proportional to 204,611.96, 282,378.68 and 124,042.88 is: 171,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,611.96 : 282,378.68 = 124,042.88 : x
  2. Step 2: Convert to fraction form
    204,611.96/282,378.68 = 124,042.88/x
  3. Step 3: Cross multiply
    204,611.96x = 282,378.68 × 124,042.88
  4. Step 4: Simplify right side
    204,611.96x = 35,027,064,717.80
  5. Step 5: Solve for x
    x = 35,027,064,717.80/204,611.96
  6. Step 6: Final answer
    x = 171,187.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.