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Finding the Fourth Proportional to 242.04, 362.76 and 159.73

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Solution

The fourth proportional to 242.04, 362.76 and 159.73 is: 239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.04 : 362.76 = 159.73 : x
  2. Step 2: Convert to fraction form
    242.04/362.76 = 159.73/x
  3. Step 3: Cross multiply
    242.04x = 362.76 × 159.73
  4. Step 4: Simplify right side
    242.04x = 57,943.65
  5. Step 5: Solve for x
    x = 57,943.65/242.04
  6. Step 6: Final answer
    x = 239.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.