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Finding the Fourth Proportional to 158.95, 237 and 157.53

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Solution

The fourth proportional to 158.95, 237 and 157.53 is: 234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.95 : 237 = 157.53 : x
  2. Step 2: Convert to fraction form
    158.95/237 = 157.53/x
  3. Step 3: Cross multiply
    158.95x = 237 × 157.53
  4. Step 4: Simplify right side
    158.95x = 37,334.61
  5. Step 5: Solve for x
    x = 37,334.61/158.95
  6. Step 6: Final answer
    x = 234.88

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Why These Related Problems?

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