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Finding the Fourth Proportional to 158.49, 237.83 and 112.93

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Solution

The fourth proportional to 158.49, 237.83 and 112.93 is: 169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.49 : 237.83 = 112.93 : x
  2. Step 2: Convert to fraction form
    158.49/237.83 = 112.93/x
  3. Step 3: Cross multiply
    158.49x = 237.83 × 112.93
  4. Step 4: Simplify right side
    158.49x = 26,856.98
  5. Step 5: Solve for x
    x = 26,856.98/158.49
  6. Step 6: Final answer
    x = 169.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.