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Finding the Fourth Proportional to 158.16, 237.24 and 49.95

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Solution

The fourth proportional to 158.16, 237.24 and 49.95 is: 74.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.16 : 237.24 = 49.95 : x
  2. Step 2: Convert to fraction form
    158.16/237.24 = 49.95/x
  3. Step 3: Cross multiply
    158.16x = 237.24 × 49.95
  4. Step 4: Simplify right side
    158.16x = 11,851.03
  5. Step 5: Solve for x
    x = 11,851.03/158.16
  6. Step 6: Final answer
    x = 74.93

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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.