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Finding the Fourth Proportional to 234,328.97, 323,374.30 and 126,899.16

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Solution

The fourth proportional to 234,328.97, 323,374.30 and 126,899.16 is: 175,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,328.97 : 323,374.30 = 126,899.16 : x
  2. Step 2: Convert to fraction form
    234,328.97/323,374.30 = 126,899.16/x
  3. Step 3: Cross multiply
    234,328.97x = 323,374.30 × 126,899.16
  4. Step 4: Simplify right side
    234,328.97x = 41,035,926,718.34
  5. Step 5: Solve for x
    x = 41,035,926,718.34/234,328.97
  6. Step 6: Final answer
    x = 175,121.02

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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.