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Finding the Fourth Proportional to 332.93, 499.36 and 89.48

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Solution

The fourth proportional to 332.93, 499.36 and 89.48 is: 134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.93 : 499.36 = 89.48 : x
  2. Step 2: Convert to fraction form
    332.93/499.36 = 89.48/x
  3. Step 3: Cross multiply
    332.93x = 499.36 × 89.48
  4. Step 4: Simplify right side
    332.93x = 44,680.24
  5. Step 5: Solve for x
    x = 44,680.24/332.93
  6. Step 6: Final answer
    x = 134.20

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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.