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Finding the Fourth Proportional to 332.21, 498.35 and 112.83

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Solution

The fourth proportional to 332.21, 498.35 and 112.83 is: 169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.21 : 498.35 = 112.83 : x
  2. Step 2: Convert to fraction form
    332.21/498.35 = 112.83/x
  3. Step 3: Cross multiply
    332.21x = 498.35 × 112.83
  4. Step 4: Simplify right side
    332.21x = 56,228.83
  5. Step 5: Solve for x
    x = 56,228.83/332.21
  6. Step 6: Final answer
    x = 169.26

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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.