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Finding the Fourth Proportional to 126,056.88, 173,962.14 and 69,471.90

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Solution

The fourth proportional to 126,056.88, 173,962.14 and 69,471.90 is: 95,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,056.88 : 173,962.14 = 69,471.90 : x
  2. Step 2: Convert to fraction form
    126,056.88/173,962.14 = 69,471.90/x
  3. Step 3: Cross multiply
    126,056.88x = 173,962.14 × 69,471.90
  4. Step 4: Simplify right side
    126,056.88x = 12,085,480,393.87
  5. Step 5: Solve for x
    x = 12,085,480,393.87/126,056.88
  6. Step 6: Final answer
    x = 95,873.23

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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.