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Finding the Fourth Proportional to 126,755.52, 174,924 and 70,167.84

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Solution

The fourth proportional to 126,755.52, 174,924 and 70,167.84 is: 96,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,755.52 : 174,924 = 70,167.84 : x
  2. Step 2: Convert to fraction form
    126,755.52/174,924 = 70,167.84/x
  3. Step 3: Cross multiply
    126,755.52x = 174,924 × 70,167.84
  4. Step 4: Simplify right side
    126,755.52x = 12,274,039,244.16
  5. Step 5: Solve for x
    x = 12,274,039,244.16/126,755.52
  6. Step 6: Final answer
    x = 96,832.38

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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.