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Finding the Fourth Proportional to 234,425.50, 323,506.87 and 126,995.96

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Solution

The fourth proportional to 234,425.50, 323,506.87 and 126,995.96 is: 175,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,425.50 : 323,506.87 = 126,995.96 : x
  2. Step 2: Convert to fraction form
    234,425.50/323,506.87 = 126,995.96/x
  3. Step 3: Cross multiply
    234,425.50x = 323,506.87 × 126,995.96
  4. Step 4: Simplify right side
    234,425.50x = 41,084,066,013.52
  5. Step 5: Solve for x
    x = 41,084,066,013.52/234,425.50
  6. Step 6: Final answer
    x = 175,254.26

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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.