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Finding the Fourth Proportional to 568.95, 853.38 and 158.06

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Solution

The fourth proportional to 568.95, 853.38 and 158.06 is: 237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.95 : 853.38 = 158.06 : x
  2. Step 2: Convert to fraction form
    568.95/853.38 = 158.06/x
  3. Step 3: Cross multiply
    568.95x = 853.38 × 158.06
  4. Step 4: Simplify right side
    568.95x = 134,885.24
  5. Step 5: Solve for x
    x = 134,885.24/568.95
  6. Step 6: Final answer
    x = 237.08

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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.