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Finding the Fourth Proportional to 96.26, 143.62 and 93.32

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Solution

The fourth proportional to 96.26, 143.62 and 93.32 is: 139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.26 : 143.62 = 93.32 : x
  2. Step 2: Convert to fraction form
    96.26/143.62 = 93.32/x
  3. Step 3: Cross multiply
    96.26x = 143.62 × 93.32
  4. Step 4: Simplify right side
    96.26x = 13,402.62
  5. Step 5: Solve for x
    x = 13,402.62/96.26
  6. Step 6: Final answer
    x = 139.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.