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Finding the Fourth Proportional to 134,187.84, 185,179.36 and 73,758.48

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Solution

The fourth proportional to 134,187.84, 185,179.36 and 73,758.48 is: 101,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,187.84 : 185,179.36 = 73,758.48 : x
  2. Step 2: Convert to fraction form
    134,187.84/185,179.36 = 73,758.48/x
  3. Step 3: Cross multiply
    134,187.84x = 185,179.36 × 73,758.48
  4. Step 4: Simplify right side
    134,187.84x = 13,658,548,120.97
  5. Step 5: Solve for x
    x = 13,658,548,120.97/134,187.84
  6. Step 6: Final answer
    x = 101,786.78

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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.