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Finding the Fourth Proportional to 134,682.63, 185,853.47 and 74,249.97

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Solution

The fourth proportional to 134,682.63, 185,853.47 and 74,249.97 is: 102,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.63 : 185,853.47 = 74,249.97 : x
  2. Step 2: Convert to fraction form
    134,682.63/185,853.47 = 74,249.97/x
  3. Step 3: Cross multiply
    134,682.63x = 185,853.47 × 74,249.97
  4. Step 4: Simplify right side
    134,682.63x = 13,799,614,200.65
  5. Step 5: Solve for x
    x = 13,799,614,200.65/134,682.63
  6. Step 6: Final answer
    x = 102,460.24

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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.