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Finding the Fourth Proportional to 233.39, 322.01 and 140.10

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Solution

The fourth proportional to 233.39, 322.01 and 140.10 is: 193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.39 : 322.01 = 140.10 : x
  2. Step 2: Convert to fraction form
    233.39/322.01 = 140.10/x
  3. Step 3: Cross multiply
    233.39x = 322.01 × 140.10
  4. Step 4: Simplify right side
    233.39x = 45,112.90
  5. Step 5: Solve for x
    x = 45,112.90/233.39
  6. Step 6: Final answer
    x = 193.30

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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.