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Finding the Fourth Proportional to 83.36, 114.88 and 60.01

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Solution

The fourth proportional to 83.36, 114.88 and 60.01 is: 82.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.36 : 114.88 = 60.01 : x
  2. Step 2: Convert to fraction form
    83.36/114.88 = 60.01/x
  3. Step 3: Cross multiply
    83.36x = 114.88 × 60.01
  4. Step 4: Simplify right side
    83.36x = 6,893.95
  5. Step 5: Solve for x
    x = 6,893.95/83.36
  6. Step 6: Final answer
    x = 82.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.