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Finding the Fourth Proportional to 234,638.69, 351,987.51 and 114,699.52

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Solution

The fourth proportional to 234,638.69, 351,987.51 and 114,699.52 is: 172,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,638.69 : 351,987.51 = 114,699.52 : x
  2. Step 2: Convert to fraction form
    234,638.69/351,987.51 = 114,699.52/x
  3. Step 3: Cross multiply
    234,638.69x = 351,987.51 × 114,699.52
  4. Step 4: Simplify right side
    234,638.69x = 40,372,796,683.06
  5. Step 5: Solve for x
    x = 40,372,796,683.06/234,638.69
  6. Step 6: Final answer
    x = 172,063.68

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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.