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Finding the Fourth Proportional to 162.97, 244.52 and 53.29

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Solution

The fourth proportional to 162.97, 244.52 and 53.29 is: 79.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.97 : 244.52 = 53.29 : x
  2. Step 2: Convert to fraction form
    162.97/244.52 = 53.29/x
  3. Step 3: Cross multiply
    162.97x = 244.52 × 53.29
  4. Step 4: Simplify right side
    162.97x = 13,030.47
  5. Step 5: Solve for x
    x = 13,030.47/162.97
  6. Step 6: Final answer
    x = 79.96

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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.