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Finding the Fourth Proportional to 250.95, 376.35 and 88.59

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Solution

The fourth proportional to 250.95, 376.35 and 88.59 is: 132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.95 : 376.35 = 88.59 : x
  2. Step 2: Convert to fraction form
    250.95/376.35 = 88.59/x
  3. Step 3: Cross multiply
    250.95x = 376.35 × 88.59
  4. Step 4: Simplify right side
    250.95x = 33,341.93
  5. Step 5: Solve for x
    x = 33,341.93/250.95
  6. Step 6: Final answer
    x = 132.86

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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.