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Finding the Fourth Proportional to 201,060.39, 301,659.77 and 126,092.76

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Solution

The fourth proportional to 201,060.39, 301,659.77 and 126,092.76 is: 189,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,060.39 : 301,659.77 = 126,092.76 : x
  2. Step 2: Convert to fraction form
    201,060.39/301,659.77 = 126,092.76/x
  3. Step 3: Cross multiply
    201,060.39x = 301,659.77 × 126,092.76
  4. Step 4: Simplify right side
    201,060.39x = 38,037,112,658.06
  5. Step 5: Solve for x
    x = 38,037,112,658.06/201,060.39
  6. Step 6: Final answer
    x = 189,182.53

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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.