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Finding the Fourth Proportional to 268.52, 402.76 and 160.06

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Solution

The fourth proportional to 268.52, 402.76 and 160.06 is: 240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.52 : 402.76 = 160.06 : x
  2. Step 2: Convert to fraction form
    268.52/402.76 = 160.06/x
  3. Step 3: Cross multiply
    268.52x = 402.76 × 160.06
  4. Step 4: Simplify right side
    268.52x = 64,465.77
  5. Step 5: Solve for x
    x = 64,465.77/268.52
  6. Step 6: Final answer
    x = 240.08

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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.