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Finding the Fourth Proportional to 162.72, 244.08 and 60.03

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Solution

The fourth proportional to 162.72, 244.08 and 60.03 is: 90.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.72 : 244.08 = 60.03 : x
  2. Step 2: Convert to fraction form
    162.72/244.08 = 60.03/x
  3. Step 3: Cross multiply
    162.72x = 244.08 × 60.03
  4. Step 4: Simplify right side
    162.72x = 14,652.12
  5. Step 5: Solve for x
    x = 14,652.12/162.72
  6. Step 6: Final answer
    x = 90.05

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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.