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Finding the Fourth Proportional to 235.98, 353.70 and 106.08

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Solution

The fourth proportional to 235.98, 353.70 and 106.08 is: 159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.98 : 353.70 = 106.08 : x
  2. Step 2: Convert to fraction form
    235.98/353.70 = 106.08/x
  3. Step 3: Cross multiply
    235.98x = 353.70 × 106.08
  4. Step 4: Simplify right side
    235.98x = 37,520.50
  5. Step 5: Solve for x
    x = 37,520.50/235.98
  6. Step 6: Final answer
    x = 159.00

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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.