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Finding the Fourth Proportional to 233.96, 322.74 and 175.64

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Solution

The fourth proportional to 233.96, 322.74 and 175.64 is: 242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.96 : 322.74 = 175.64 : x
  2. Step 2: Convert to fraction form
    233.96/322.74 = 175.64/x
  3. Step 3: Cross multiply
    233.96x = 322.74 × 175.64
  4. Step 4: Simplify right side
    233.96x = 56,686.05
  5. Step 5: Solve for x
    x = 56,686.05/233.96
  6. Step 6: Final answer
    x = 242.29

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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.