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Finding the Fourth Proportional to 234,234.18, 323,244.20 and 126,804.20

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Solution

The fourth proportional to 234,234.18, 323,244.20 and 126,804.20 is: 174,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,234.18 : 323,244.20 = 126,804.20 : x
  2. Step 2: Convert to fraction form
    234,234.18/323,244.20 = 126,804.20/x
  3. Step 3: Cross multiply
    234,234.18x = 323,244.20 × 126,804.20
  4. Step 4: Simplify right side
    234,234.18x = 40,988,722,185.64
  5. Step 5: Solve for x
    x = 40,988,722,185.64/234,234.18
  6. Step 6: Final answer
    x = 174,990.35

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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.