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Finding the Fourth Proportional to 95.36, 142.95 and 61.04

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Solution

The fourth proportional to 95.36, 142.95 and 61.04 is: 91.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.36 : 142.95 = 61.04 : x
  2. Step 2: Convert to fraction form
    95.36/142.95 = 61.04/x
  3. Step 3: Cross multiply
    95.36x = 142.95 × 61.04
  4. Step 4: Simplify right side
    95.36x = 8,725.67
  5. Step 5: Solve for x
    x = 8,725.67/95.36
  6. Step 6: Final answer
    x = 91.50

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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.