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Finding the Fourth Proportional to 126,064.44, 173,964.51 and 68,702.58

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Solution

The fourth proportional to 126,064.44, 173,964.51 and 68,702.58 is: 94,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.44 : 173,964.51 = 68,702.58 : x
  2. Step 2: Convert to fraction form
    126,064.44/173,964.51 = 68,702.58/x
  3. Step 3: Cross multiply
    126,064.44x = 173,964.51 × 68,702.58
  4. Step 4: Simplify right side
    126,064.44x = 11,951,810,665.44
  5. Step 5: Solve for x
    x = 11,951,810,665.44/126,064.44
  6. Step 6: Final answer
    x = 94,807.15

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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.