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Finding the Fourth Proportional to 134,161.94, 185,134.51 and 73,731.29

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Solution

The fourth proportional to 134,161.94, 185,134.51 and 73,731.29 is: 101,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,161.94 : 185,134.51 = 73,731.29 : x
  2. Step 2: Convert to fraction form
    134,161.94/185,134.51 = 73,731.29/x
  3. Step 3: Cross multiply
    134,161.94x = 185,134.51 × 73,731.29
  4. Step 4: Simplify right side
    134,161.94x = 13,650,206,245.82
  5. Step 5: Solve for x
    x = 13,650,206,245.82/134,161.94
  6. Step 6: Final answer
    x = 101,744.25

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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.