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Finding the Fourth Proportional to 234,230.97, 323,238.67 and 126,800.93

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Solution

The fourth proportional to 234,230.97, 323,238.67 and 126,800.93 is: 174,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.97 : 323,238.67 = 126,800.93 : x
  2. Step 2: Convert to fraction form
    234,230.97/323,238.67 = 126,800.93/x
  3. Step 3: Cross multiply
    234,230.97x = 323,238.67 × 126,800.93
  4. Step 4: Simplify right side
    234,230.97x = 40,986,963,354.10
  5. Step 5: Solve for x
    x = 40,986,963,354.10/234,230.97
  6. Step 6: Final answer
    x = 174,985.24

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1.5x scale

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.