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Finding the Fourth Proportional to 158.50, 237.81 and 62.32

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Solution

The fourth proportional to 158.50, 237.81 and 62.32 is: 93.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.50 : 237.81 = 62.32 : x
  2. Step 2: Convert to fraction form
    158.50/237.81 = 62.32/x
  3. Step 3: Cross multiply
    158.50x = 237.81 × 62.32
  4. Step 4: Simplify right side
    158.50x = 14,820.32
  5. Step 5: Solve for x
    x = 14,820.32/158.50
  6. Step 6: Final answer
    x = 93.50

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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.