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Finding the Fourth Proportional to 179.63, 269.52 and 64.07

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Solution

The fourth proportional to 179.63, 269.52 and 64.07 is: 96.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.63 : 269.52 = 64.07 : x
  2. Step 2: Convert to fraction form
    179.63/269.52 = 64.07/x
  3. Step 3: Cross multiply
    179.63x = 269.52 × 64.07
  4. Step 4: Simplify right side
    179.63x = 17,269.27
  5. Step 5: Solve for x
    x = 17,269.27/179.63
  6. Step 6: Final answer
    x = 96.14

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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.