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Finding the Fourth Proportional to 173.84, 260.57 and 58.18

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Solution

The fourth proportional to 173.84, 260.57 and 58.18 is: 87.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.84 : 260.57 = 58.18 : x
  2. Step 2: Convert to fraction form
    173.84/260.57 = 58.18/x
  3. Step 3: Cross multiply
    173.84x = 260.57 × 58.18
  4. Step 4: Simplify right side
    173.84x = 15,158.59
  5. Step 5: Solve for x
    x = 15,158.59/173.84
  6. Step 6: Final answer
    x = 87.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.