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Finding the Fourth Proportional to 117.84, 176.66 and 60.03

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Solution

The fourth proportional to 117.84, 176.66 and 60.03 is: 89.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.84 : 176.66 = 60.03 : x
  2. Step 2: Convert to fraction form
    117.84/176.66 = 60.03/x
  3. Step 3: Cross multiply
    117.84x = 176.66 × 60.03
  4. Step 4: Simplify right side
    117.84x = 10,605.16
  5. Step 5: Solve for x
    x = 10,605.16/117.84
  6. Step 6: Final answer
    x = 89.99

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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.