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Finding the Fourth Proportional to 116.84, 175.35 and 73.57

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Solution

The fourth proportional to 116.84, 175.35 and 73.57 is: 110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.84 : 175.35 = 73.57 : x
  2. Step 2: Convert to fraction form
    116.84/175.35 = 73.57/x
  3. Step 3: Cross multiply
    116.84x = 175.35 × 73.57
  4. Step 4: Simplify right side
    116.84x = 12,900.50
  5. Step 5: Solve for x
    x = 12,900.50/116.84
  6. Step 6: Final answer
    x = 110.41

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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.