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Finding the Fourth Proportional to 134,249.76, 185,266.80 and 73,823.04

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Solution

The fourth proportional to 134,249.76, 185,266.80 and 73,823.04 is: 101,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,249.76 : 185,266.80 = 73,823.04 : x
  2. Step 2: Convert to fraction form
    134,249.76/185,266.80 = 73,823.04/x
  3. Step 3: Cross multiply
    134,249.76x = 185,266.80 × 73,823.04
  4. Step 4: Simplify right side
    134,249.76x = 13,676,958,387.07
  5. Step 5: Solve for x
    x = 13,676,958,387.07/134,249.76
  6. Step 6: Final answer
    x = 101,876.97

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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.