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Finding the Fourth Proportional to 155.18, 232.84 and 59

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Solution

The fourth proportional to 155.18, 232.84 and 59 is: 88.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.18 : 232.84 = 59 : x
  2. Step 2: Convert to fraction form
    155.18/232.84 = 59/x
  3. Step 3: Cross multiply
    155.18x = 232.84 × 59
  4. Step 4: Simplify right side
    155.18x = 13,737.56
  5. Step 5: Solve for x
    x = 13,737.56/155.18
  6. Step 6: Final answer
    x = 88.53

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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.