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Finding the Fourth Proportional to 127.09, 175.34 and 94.29

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Solution

The fourth proportional to 127.09, 175.34 and 94.29 is: 130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127.09 : 175.34 = 94.29 : x
  2. Step 2: Convert to fraction form
    127.09/175.34 = 94.29/x
  3. Step 3: Cross multiply
    127.09x = 175.34 × 94.29
  4. Step 4: Simplify right side
    127.09x = 16,532.61
  5. Step 5: Solve for x
    x = 16,532.61/127.09
  6. Step 6: Final answer
    x = 130.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.