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Finding the Fourth Proportional to 234,009.86, 351,067.62 and 74,095.49

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Solution

The fourth proportional to 234,009.86, 351,067.62 and 74,095.49 is: 111,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,009.86 : 351,067.62 = 74,095.49 : x
  2. Step 2: Convert to fraction form
    234,009.86/351,067.62 = 74,095.49/x
  3. Step 3: Cross multiply
    234,009.86x = 351,067.62 × 74,095.49
  4. Step 4: Simplify right side
    234,009.86x = 26,012,525,571.70
  5. Step 5: Solve for x
    x = 26,012,525,571.70/234,009.86
  6. Step 6: Final answer
    x = 111,159.96

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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.