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Finding the Fourth Proportional to 158.76, 237.12 and 134.46

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Solution

The fourth proportional to 158.76, 237.12 and 134.46 is: 200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.76 : 237.12 = 134.46 : x
  2. Step 2: Convert to fraction form
    158.76/237.12 = 134.46/x
  3. Step 3: Cross multiply
    158.76x = 237.12 × 134.46
  4. Step 4: Simplify right side
    158.76x = 31,883.16
  5. Step 5: Solve for x
    x = 31,883.16/158.76
  6. Step 6: Final answer
    x = 200.83

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.