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Finding the Fourth Proportional to 95.16, 130.37 and 92.93

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Solution

The fourth proportional to 95.16, 130.37 and 92.93 is: 127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.16 : 130.37 = 92.93 : x
  2. Step 2: Convert to fraction form
    95.16/130.37 = 92.93/x
  3. Step 3: Cross multiply
    95.16x = 130.37 × 92.93
  4. Step 4: Simplify right side
    95.16x = 12,114.17
  5. Step 5: Solve for x
    x = 12,114.17/95.16
  6. Step 6: Final answer
    x = 127.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.