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Finding the Fourth Proportional to 234,514.69, 351,768.30 and 74,588.32

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Solution

The fourth proportional to 234,514.69, 351,768.30 and 74,588.32 is: 111,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,514.69 : 351,768.30 = 74,588.32 : x
  2. Step 2: Convert to fraction form
    234,514.69/351,768.30 = 74,588.32/x
  3. Step 3: Cross multiply
    234,514.69x = 351,768.30 × 74,588.32
  4. Step 4: Simplify right side
    234,514.69x = 26,237,806,526.26
  5. Step 5: Solve for x
    x = 26,237,806,526.26/234,514.69
  6. Step 6: Final answer
    x = 111,881.29

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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.