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Finding the Fourth Proportional to 186,402.33, 279,644.67 and 68,073.48

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Solution

The fourth proportional to 186,402.33, 279,644.67 and 68,073.48 is: 102,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,402.33 : 279,644.67 = 68,073.48 : x
  2. Step 2: Convert to fraction form
    186,402.33/279,644.67 = 68,073.48/x
  3. Step 3: Cross multiply
    186,402.33x = 279,644.67 × 68,073.48
  4. Step 4: Simplify right side
    186,402.33x = 19,036,385,850.35
  5. Step 5: Solve for x
    x = 19,036,385,850.35/186,402.33
  6. Step 6: Final answer
    x = 102,125.26

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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.