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Finding the Fourth Proportional to 237.76, 328.04 and 160.13

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Solution

The fourth proportional to 237.76, 328.04 and 160.13 is: 220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.76 : 328.04 = 160.13 : x
  2. Step 2: Convert to fraction form
    237.76/328.04 = 160.13/x
  3. Step 3: Cross multiply
    237.76x = 328.04 × 160.13
  4. Step 4: Simplify right side
    237.76x = 52,529.05
  5. Step 5: Solve for x
    x = 52,529.05/237.76
  6. Step 6: Final answer
    x = 220.93

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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.