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Finding the Fourth Proportional to 186,722.12, 279,992.22 and 62,021

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Solution

The fourth proportional to 186,722.12, 279,992.22 and 62,021 is: 93,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,722.12 : 279,992.22 = 62,021 : x
  2. Step 2: Convert to fraction form
    186,722.12/279,992.22 = 62,021/x
  3. Step 3: Cross multiply
    186,722.12x = 279,992.22 × 62,021
  4. Step 4: Simplify right side
    186,722.12x = 17,365,397,476.62
  5. Step 5: Solve for x
    x = 17,365,397,476.62/186,722.12
  6. Step 6: Final answer
    x = 93,001.29

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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.