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Finding the Fourth Proportional to 126,953.61, 175,189.83 and 73,255.97

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Solution

The fourth proportional to 126,953.61, 175,189.83 and 73,255.97 is: 101,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.61 : 175,189.83 = 73,255.97 : x
  2. Step 2: Convert to fraction form
    126,953.61/175,189.83 = 73,255.97/x
  3. Step 3: Cross multiply
    126,953.61x = 175,189.83 × 73,255.97
  4. Step 4: Simplify right side
    126,953.61x = 12,833,700,930.79
  5. Step 5: Solve for x
    x = 12,833,700,930.79/126,953.61
  6. Step 6: Final answer
    x = 101,089.69

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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.