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Finding the Fourth Proportional to 234,132.68, 323,103.90 and 126,702.68

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Solution

The fourth proportional to 234,132.68, 323,103.90 and 126,702.68 is: 174,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,132.68 : 323,103.90 = 126,702.68 : x
  2. Step 2: Convert to fraction form
    234,132.68/323,103.90 = 126,702.68/x
  3. Step 3: Cross multiply
    234,132.68x = 323,103.90 × 126,702.68
  4. Step 4: Simplify right side
    234,132.68x = 40,938,130,048.45
  5. Step 5: Solve for x
    x = 40,938,130,048.45/234,132.68
  6. Step 6: Final answer
    x = 174,850.14

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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.