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Finding the Fourth Proportional to 175.32, 262.99 and 59.77

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Solution

The fourth proportional to 175.32, 262.99 and 59.77 is: 89.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.32 : 262.99 = 59.77 : x
  2. Step 2: Convert to fraction form
    175.32/262.99 = 59.77/x
  3. Step 3: Cross multiply
    175.32x = 262.99 × 59.77
  4. Step 4: Simplify right side
    175.32x = 15,718.91
  5. Step 5: Solve for x
    x = 15,718.91/175.32
  6. Step 6: Final answer
    x = 89.66

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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.