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Finding the Fourth Proportional to 242.94, 364.28 and 160.59

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Solution

The fourth proportional to 242.94, 364.28 and 160.59 is: 240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.94 : 364.28 = 160.59 : x
  2. Step 2: Convert to fraction form
    242.94/364.28 = 160.59/x
  3. Step 3: Cross multiply
    242.94x = 364.28 × 160.59
  4. Step 4: Simplify right side
    242.94x = 58,498.92
  5. Step 5: Solve for x
    x = 58,498.92/242.94
  6. Step 6: Final answer
    x = 240.80

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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.