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Finding the Fourth Proportional to 186,700.33, 279,799.39 and 102,333.97

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Solution

The fourth proportional to 186,700.33, 279,799.39 and 102,333.97 is: 153,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,700.33 : 279,799.39 = 102,333.97 : x
  2. Step 2: Convert to fraction form
    186,700.33/279,799.39 = 102,333.97/x
  3. Step 3: Cross multiply
    186,700.33x = 279,799.39 × 102,333.97
  4. Step 4: Simplify right side
    186,700.33x = 28,632,982,382.28
  5. Step 5: Solve for x
    x = 28,632,982,382.28/186,700.33
  6. Step 6: Final answer
    x = 153,363.32

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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.