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Finding the Fourth Proportional to 127.59, 191.08 and 108.26

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Solution

The fourth proportional to 127.59, 191.08 and 108.26 is: 162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127.59 : 191.08 = 108.26 : x
  2. Step 2: Convert to fraction form
    127.59/191.08 = 108.26/x
  3. Step 3: Cross multiply
    127.59x = 191.08 × 108.26
  4. Step 4: Simplify right side
    127.59x = 20,684.82
  5. Step 5: Solve for x
    x = 20,684.82/127.59
  6. Step 6: Final answer
    x = 162.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.