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Finding the Fourth Proportional to 117.32, 176.00 and 59.57

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Solution

The fourth proportional to 117.32, 176.00 and 59.57 is: 89.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.32 : 176.00 = 59.57 : x
  2. Step 2: Convert to fraction form
    117.32/176.00 = 59.57/x
  3. Step 3: Cross multiply
    117.32x = 176.00 × 59.57
  4. Step 4: Simplify right side
    117.32x = 10,483.80
  5. Step 5: Solve for x
    x = 10,483.80/117.32
  6. Step 6: Final answer
    x = 89.36

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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.