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Finding the Fourth Proportional to 234,328.10, 323,372.13 and 126,898.10

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Solution

The fourth proportional to 234,328.10, 323,372.13 and 126,898.10 is: 175,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,328.10 : 323,372.13 = 126,898.10 : x
  2. Step 2: Convert to fraction form
    234,328.10/323,372.13 = 126,898.10/x
  3. Step 3: Cross multiply
    234,328.10x = 323,372.13 × 126,898.10
  4. Step 4: Simplify right side
    234,328.10x = 41,035,307,273.09
  5. Step 5: Solve for x
    x = 41,035,307,273.09/234,328.10
  6. Step 6: Final answer
    x = 175,119.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.