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Finding the Fourth Proportional to 235.04, 351.68 and 148.37

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Solution

The fourth proportional to 235.04, 351.68 and 148.37 is: 221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.04 : 351.68 = 148.37 : x
  2. Step 2: Convert to fraction form
    235.04/351.68 = 148.37/x
  3. Step 3: Cross multiply
    235.04x = 351.68 × 148.37
  4. Step 4: Simplify right side
    235.04x = 52,176.26
  5. Step 5: Solve for x
    x = 52,176.26/235.04
  6. Step 6: Final answer
    x = 221.99

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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.