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Finding the Fourth Proportional to 134,924.44, 202,511.12 and 68,411

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Solution

The fourth proportional to 134,924.44, 202,511.12 and 68,411 is: 102,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,924.44 : 202,511.12 = 68,411 : x
  2. Step 2: Convert to fraction form
    134,924.44/202,511.12 = 68,411/x
  3. Step 3: Cross multiply
    134,924.44x = 202,511.12 × 68,411
  4. Step 4: Simplify right side
    134,924.44x = 13,853,988,230.32
  5. Step 5: Solve for x
    x = 13,853,988,230.32/134,924.44
  6. Step 6: Final answer
    x = 102,679.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.