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Finding the Fourth Proportional to 155.60, 233.28 and 59.44

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Solution

The fourth proportional to 155.60, 233.28 and 59.44 is: 89.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.60 : 233.28 = 59.44 : x
  2. Step 2: Convert to fraction form
    155.60/233.28 = 59.44/x
  3. Step 3: Cross multiply
    155.60x = 233.28 × 59.44
  4. Step 4: Simplify right side
    155.60x = 13,866.16
  5. Step 5: Solve for x
    x = 13,866.16/155.60
  6. Step 6: Final answer
    x = 89.11

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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.