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Finding the Fourth Proportional to 233.55, 322.02 and 159.93

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Solution

The fourth proportional to 233.55, 322.02 and 159.93 is: 220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.55 : 322.02 = 159.93 : x
  2. Step 2: Convert to fraction form
    233.55/322.02 = 159.93/x
  3. Step 3: Cross multiply
    233.55x = 322.02 × 159.93
  4. Step 4: Simplify right side
    233.55x = 51,500.66
  5. Step 5: Solve for x
    x = 51,500.66/233.55
  6. Step 6: Final answer
    x = 220.51

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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.