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Finding the Fourth Proportional to 234,196.65, 351,403.65 and 74,297.79

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Solution

The fourth proportional to 234,196.65, 351,403.65 and 74,297.79 is: 111,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,196.65 : 351,403.65 = 74,297.79 : x
  2. Step 2: Convert to fraction form
    234,196.65/351,403.65 = 74,297.79/x
  3. Step 3: Cross multiply
    234,196.65x = 351,403.65 × 74,297.79
  4. Step 4: Simplify right side
    234,196.65x = 26,108,514,592.93
  5. Step 5: Solve for x
    x = 26,108,514,592.93/234,196.65
  6. Step 6: Final answer
    x = 111,481.16

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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.