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Finding the Fourth Proportional to 117.46, 176.13 and 59.67

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Solution

The fourth proportional to 117.46, 176.13 and 59.67 is: 89.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.46 : 176.13 = 59.67 : x
  2. Step 2: Convert to fraction form
    117.46/176.13 = 59.67/x
  3. Step 3: Cross multiply
    117.46x = 176.13 × 59.67
  4. Step 4: Simplify right side
    117.46x = 10,509.68
  5. Step 5: Solve for x
    x = 10,509.68/117.46
  6. Step 6: Final answer
    x = 89.47

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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.