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Finding the Fourth Proportional to 141.34, 212.04 and 60.16

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Solution

The fourth proportional to 141.34, 212.04 and 60.16 is: 90.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.34 : 212.04 = 60.16 : x
  2. Step 2: Convert to fraction form
    141.34/212.04 = 60.16/x
  3. Step 3: Cross multiply
    141.34x = 212.04 × 60.16
  4. Step 4: Simplify right side
    141.34x = 12,756.33
  5. Step 5: Solve for x
    x = 12,756.33/141.34
  6. Step 6: Final answer
    x = 90.25

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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.