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Finding the Fourth Proportional to 158.35, 237.43 and 104.08

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Solution

The fourth proportional to 158.35, 237.43 and 104.08 is: 156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.35 : 237.43 = 104.08 : x
  2. Step 2: Convert to fraction form
    158.35/237.43 = 104.08/x
  3. Step 3: Cross multiply
    158.35x = 237.43 × 104.08
  4. Step 4: Simplify right side
    158.35x = 24,711.71
  5. Step 5: Solve for x
    x = 24,711.71/158.35
  6. Step 6: Final answer
    x = 156.06

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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.