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Finding the Fourth Proportional to 126,773.96, 174,947.76 and 73,058.51

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Solution

The fourth proportional to 126,773.96, 174,947.76 and 73,058.51 is: 100,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,773.96 : 174,947.76 = 73,058.51 : x
  2. Step 2: Convert to fraction form
    126,773.96/174,947.76 = 73,058.51/x
  3. Step 3: Cross multiply
    126,773.96x = 174,947.76 × 73,058.51
  4. Step 4: Simplify right side
    126,773.96x = 12,781,422,673.44
  5. Step 5: Solve for x
    x = 12,781,422,673.44/126,773.96
  6. Step 6: Final answer
    x = 100,820.57

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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.