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Finding the Fourth Proportional to 134,279.91, 185,310.93 and 73,855.11

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Solution

The fourth proportional to 134,279.91, 185,310.93 and 73,855.11 is: 101,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,279.91 : 185,310.93 = 73,855.11 : x
  2. Step 2: Convert to fraction form
    134,279.91/185,310.93 = 73,855.11/x
  3. Step 3: Cross multiply
    134,279.91x = 185,310.93 × 73,855.11
  4. Step 4: Simplify right side
    134,279.91x = 13,686,159,119.35
  5. Step 5: Solve for x
    x = 13,686,159,119.35/134,279.91
  6. Step 6: Final answer
    x = 101,922.61

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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.