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Finding the Fourth Proportional to 233.99, 322.98 and 160.28

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Solution

The fourth proportional to 233.99, 322.98 and 160.28 is: 221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.99 : 322.98 = 160.28 : x
  2. Step 2: Convert to fraction form
    233.99/322.98 = 160.28/x
  3. Step 3: Cross multiply
    233.99x = 322.98 × 160.28
  4. Step 4: Simplify right side
    233.99x = 51,767.23
  5. Step 5: Solve for x
    x = 51,767.23/233.99
  6. Step 6: Final answer
    x = 221.24

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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.