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Finding the Fourth Proportional to 162.65, 244.09 and 59.95

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Solution

The fourth proportional to 162.65, 244.09 and 59.95 is: 89.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.65 : 244.09 = 59.95 : x
  2. Step 2: Convert to fraction form
    162.65/244.09 = 59.95/x
  3. Step 3: Cross multiply
    162.65x = 244.09 × 59.95
  4. Step 4: Simplify right side
    162.65x = 14,633.20
  5. Step 5: Solve for x
    x = 14,633.20/162.65
  6. Step 6: Final answer
    x = 89.97

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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.