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Finding the Fourth Proportional to 234,540.80, 351,707.52 and 68,341.76

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Solution

The fourth proportional to 234,540.80, 351,707.52 and 68,341.76 is: 102,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,540.80 : 351,707.52 = 68,341.76 : x
  2. Step 2: Convert to fraction form
    234,540.80/351,707.52 = 68,341.76/x
  3. Step 3: Cross multiply
    234,540.80x = 351,707.52 × 68,341.76
  4. Step 4: Simplify right side
    234,540.80x = 24,036,310,922.04
  5. Step 5: Solve for x
    x = 24,036,310,922.04/234,540.80
  6. Step 6: Final answer
    x = 102,482.43

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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.