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Finding the Fourth Proportional to 233.33, 322.05 and 140.07

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Solution

The fourth proportional to 233.33, 322.05 and 140.07 is: 193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.33 : 322.05 = 140.07 : x
  2. Step 2: Convert to fraction form
    233.33/322.05 = 140.07/x
  3. Step 3: Cross multiply
    233.33x = 322.05 × 140.07
  4. Step 4: Simplify right side
    233.33x = 45,110.49
  5. Step 5: Solve for x
    x = 45,110.49/233.33
  6. Step 6: Final answer
    x = 193.34

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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.