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Finding the Fourth Proportional to 293.96, 440.88 and 88.48

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Solution

The fourth proportional to 293.96, 440.88 and 88.48 is: 132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.96 : 440.88 = 88.48 : x
  2. Step 2: Convert to fraction form
    293.96/440.88 = 88.48/x
  3. Step 3: Cross multiply
    293.96x = 440.88 × 88.48
  4. Step 4: Simplify right side
    293.96x = 39,009.06
  5. Step 5: Solve for x
    x = 39,009.06/293.96
  6. Step 6: Final answer
    x = 132.70

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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.