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Finding the Fourth Proportional to 76.07, 114.11 and 55.93

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Solution

The fourth proportional to 76.07, 114.11 and 55.93 is: 83.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.07 : 114.11 = 55.93 : x
  2. Step 2: Convert to fraction form
    76.07/114.11 = 55.93/x
  3. Step 3: Cross multiply
    76.07x = 114.11 × 55.93
  4. Step 4: Simplify right side
    76.07x = 6,382.17
  5. Step 5: Solve for x
    x = 6,382.17/76.07
  6. Step 6: Final answer
    x = 83.90

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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.