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Finding the Fourth Proportional to 117.47, 176.13 and 44.33

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Solution

The fourth proportional to 117.47, 176.13 and 44.33 is: 66.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.47 : 176.13 = 44.33 : x
  2. Step 2: Convert to fraction form
    117.47/176.13 = 44.33/x
  3. Step 3: Cross multiply
    117.47x = 176.13 × 44.33
  4. Step 4: Simplify right side
    117.47x = 7,806.96
  5. Step 5: Solve for x
    x = 7,806.96/117.47
  6. Step 6: Final answer
    x = 66.46

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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.