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Finding the Fourth Proportional to 117.09, 175.77 and 93.33

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Solution

The fourth proportional to 117.09, 175.77 and 93.33 is: 140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.09 : 175.77 = 93.33 : x
  2. Step 2: Convert to fraction form
    117.09/175.77 = 93.33/x
  3. Step 3: Cross multiply
    117.09x = 175.77 × 93.33
  4. Step 4: Simplify right side
    117.09x = 16,404.61
  5. Step 5: Solve for x
    x = 16,404.61/117.09
  6. Step 6: Final answer
    x = 140.10

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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.