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Finding the Fourth Proportional to 162.79, 244.22 and 60.07

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Solution

The fourth proportional to 162.79, 244.22 and 60.07 is: 90.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.79 : 244.22 = 60.07 : x
  2. Step 2: Convert to fraction form
    162.79/244.22 = 60.07/x
  3. Step 3: Cross multiply
    162.79x = 244.22 × 60.07
  4. Step 4: Simplify right side
    162.79x = 14,670.30
  5. Step 5: Solve for x
    x = 14,670.30/162.79
  6. Step 6: Final answer
    x = 90.12

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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.