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Finding the Fourth Proportional to 186,876.82, 280,352.22 and 68,549.19

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Solution

The fourth proportional to 186,876.82, 280,352.22 and 68,549.19 is: 102,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,876.82 : 280,352.22 = 68,549.19 : x
  2. Step 2: Convert to fraction form
    186,876.82/280,352.22 = 68,549.19/x
  3. Step 3: Cross multiply
    186,876.82x = 280,352.22 × 68,549.19
  4. Step 4: Simplify right side
    186,876.82x = 19,217,917,595.70
  5. Step 5: Solve for x
    x = 19,217,917,595.70/186,876.82
  6. Step 6: Final answer
    x = 102,837.35

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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.