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Finding the Fourth Proportional to 126,058.64, 173,960.96 and 68,697.98

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Solution

The fourth proportional to 126,058.64, 173,960.96 and 68,697.98 is: 94,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,058.64 : 173,960.96 = 68,697.98 : x
  2. Step 2: Convert to fraction form
    126,058.64/173,960.96 = 68,697.98/x
  3. Step 3: Cross multiply
    126,058.64x = 173,960.96 × 68,697.98
  4. Step 4: Simplify right side
    126,058.64x = 11,950,766,550.86
  5. Step 5: Solve for x
    x = 11,950,766,550.86/126,058.64
  6. Step 6: Final answer
    x = 94,803.23

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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.