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Finding the Fourth Proportional to 73.34, 110.16 and 61.95

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Solution

The fourth proportional to 73.34, 110.16 and 61.95 is: 93.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.34 : 110.16 = 61.95 : x
  2. Step 2: Convert to fraction form
    73.34/110.16 = 61.95/x
  3. Step 3: Cross multiply
    73.34x = 110.16 × 61.95
  4. Step 4: Simplify right side
    73.34x = 6,824.64
  5. Step 5: Solve for x
    x = 6,824.64/73.34
  6. Step 6: Final answer
    x = 93.05

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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.