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Finding the Fourth Proportional to 117.24, 175.93 and 48.76

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Solution

The fourth proportional to 117.24, 175.93 and 48.76 is: 73.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.24 : 175.93 = 48.76 : x
  2. Step 2: Convert to fraction form
    117.24/175.93 = 48.76/x
  3. Step 3: Cross multiply
    117.24x = 175.93 × 48.76
  4. Step 4: Simplify right side
    117.24x = 8,578.35
  5. Step 5: Solve for x
    x = 8,578.35/117.24
  6. Step 6: Final answer
    x = 73.17

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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.