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Finding the Fourth Proportional to 186,244.86, 279,367.30 and 153,279.66

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Solution

The fourth proportional to 186,244.86, 279,367.30 and 153,279.66 is: 229,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,244.86 : 279,367.30 = 153,279.66 : x
  2. Step 2: Convert to fraction form
    186,244.86/279,367.30 = 153,279.66/x
  3. Step 3: Cross multiply
    186,244.86x = 279,367.30 × 153,279.66
  4. Step 4: Simplify right side
    186,244.86x = 42,821,324,759.12
  5. Step 5: Solve for x
    x = 42,821,324,759.12/186,244.86
  6. Step 6: Final answer
    x = 229,919.50

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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.