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Finding the Fourth Proportional to 95.91, 142.93 and 93.27

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Solution

The fourth proportional to 95.91, 142.93 and 93.27 is: 139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.91 : 142.93 = 93.27 : x
  2. Step 2: Convert to fraction form
    95.91/142.93 = 93.27/x
  3. Step 3: Cross multiply
    95.91x = 142.93 × 93.27
  4. Step 4: Simplify right side
    95.91x = 13,331.08
  5. Step 5: Solve for x
    x = 13,331.08/95.91
  6. Step 6: Final answer
    x = 139.00

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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.