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Finding the Fourth Proportional to 61,135.37, 91,696.91 and 16,766.59

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Solution

The fourth proportional to 61,135.37, 91,696.91 and 16,766.59 is: 25,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.37 : 91,696.91 = 16,766.59 : x
  2. Step 2: Convert to fraction form
    61,135.37/91,696.91 = 16,766.59/x
  3. Step 3: Cross multiply
    61,135.37x = 91,696.91 × 16,766.59
  4. Step 4: Simplify right side
    61,135.37x = 1,537,444,035.75
  5. Step 5: Solve for x
    x = 1,537,444,035.75/61,135.37
  6. Step 6: Final answer
    x = 25,148.19

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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.