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Finding the Fourth Proportional to 233.75, 322.58 and 146.48

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Solution

The fourth proportional to 233.75, 322.58 and 146.48 is: 202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.75 : 322.58 = 146.48 : x
  2. Step 2: Convert to fraction form
    233.75/322.58 = 146.48/x
  3. Step 3: Cross multiply
    233.75x = 322.58 × 146.48
  4. Step 4: Simplify right side
    233.75x = 47,250.27
  5. Step 5: Solve for x
    x = 47,250.27/233.75
  6. Step 6: Final answer
    x = 202.14

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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.