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Finding the Fourth Proportional to 126,846.56, 175,046.04 and 69,487.02

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Solution

The fourth proportional to 126,846.56, 175,046.04 and 69,487.02 is: 95,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846.56 : 175,046.04 = 69,487.02 : x
  2. Step 2: Convert to fraction form
    126,846.56/175,046.04 = 69,487.02/x
  3. Step 3: Cross multiply
    126,846.56x = 175,046.04 × 69,487.02
  4. Step 4: Simplify right side
    126,846.56x = 12,163,426,459.74
  5. Step 5: Solve for x
    x = 12,163,426,459.74/126,846.56
  6. Step 6: Final answer
    x = 95,890.87

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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.