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Finding the Fourth Proportional to 117.34, 176.03 and 48.83

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Solution

The fourth proportional to 117.34, 176.03 and 48.83 is: 73.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.34 : 176.03 = 48.83 : x
  2. Step 2: Convert to fraction form
    117.34/176.03 = 48.83/x
  3. Step 3: Cross multiply
    117.34x = 176.03 × 48.83
  4. Step 4: Simplify right side
    117.34x = 8,594.42
  5. Step 5: Solve for x
    x = 8,594.42/117.34
  6. Step 6: Final answer
    x = 73.25

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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.