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Finding the Fourth Proportional to 234,140.49, 323,114.67 and 126,710.49

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Solution

The fourth proportional to 234,140.49, 323,114.67 and 126,710.49 is: 174,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,140.49 : 323,114.67 = 126,710.49 : x
  2. Step 2: Convert to fraction form
    234,140.49/323,114.67 = 126,710.49/x
  3. Step 3: Cross multiply
    234,140.49x = 323,114.67 × 126,710.49
  4. Step 4: Simplify right side
    234,140.49x = 40,942,018,161.89
  5. Step 5: Solve for x
    x = 40,942,018,161.89/234,140.49
  6. Step 6: Final answer
    x = 174,860.91

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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.