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Finding the Fourth Proportional to 117.04, 175.59 and 96.55

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Solution

The fourth proportional to 117.04, 175.59 and 96.55 is: 144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.04 : 175.59 = 96.55 : x
  2. Step 2: Convert to fraction form
    117.04/175.59 = 96.55/x
  3. Step 3: Cross multiply
    117.04x = 175.59 × 96.55
  4. Step 4: Simplify right side
    117.04x = 16,953.21
  5. Step 5: Solve for x
    x = 16,953.21/117.04
  6. Step 6: Final answer
    x = 144.85

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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.