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Finding the Fourth Proportional to 127.24, 175.58 and 69.02

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Solution

The fourth proportional to 127.24, 175.58 and 69.02 is: 95.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127.24 : 175.58 = 69.02 : x
  2. Step 2: Convert to fraction form
    127.24/175.58 = 69.02/x
  3. Step 3: Cross multiply
    127.24x = 175.58 × 69.02
  4. Step 4: Simplify right side
    127.24x = 12,117.83
  5. Step 5: Solve for x
    x = 12,117.83/127.24
  6. Step 6: Final answer
    x = 95.24

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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.