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Finding the Fourth Proportional to 127,372.89, 175,760.62 and 73,649.77

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Solution

The fourth proportional to 127,372.89, 175,760.62 and 73,649.77 is: 101,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,372.89 : 175,760.62 = 73,649.77 : x
  2. Step 2: Convert to fraction form
    127,372.89/175,760.62 = 73,649.77/x
  3. Step 3: Cross multiply
    127,372.89x = 175,760.62 × 73,649.77
  4. Step 4: Simplify right side
    127,372.89x = 12,944,729,238.06
  5. Step 5: Solve for x
    x = 12,944,729,238.06/127,372.89
  6. Step 6: Final answer
    x = 101,628.61

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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.