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Finding the Fourth Proportional to 265.60, 366.52 and 160.67

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Solution

The fourth proportional to 265.60, 366.52 and 160.67 is: 221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.60 : 366.52 = 160.67 : x
  2. Step 2: Convert to fraction form
    265.60/366.52 = 160.67/x
  3. Step 3: Cross multiply
    265.60x = 366.52 × 160.67
  4. Step 4: Simplify right side
    265.60x = 58,888.77
  5. Step 5: Solve for x
    x = 58,888.77/265.60
  6. Step 6: Final answer
    x = 221.72

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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.