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Finding the Fourth Proportional to 61,118.68, 91,658.82 and 23,676.16

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Solution

The fourth proportional to 61,118.68, 91,658.82 and 23,676.16 is: 35,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118.68 : 91,658.82 = 23,676.16 : x
  2. Step 2: Convert to fraction form
    61,118.68/91,658.82 = 23,676.16/x
  3. Step 3: Cross multiply
    61,118.68x = 91,658.82 × 23,676.16
  4. Step 4: Simplify right side
    61,118.68x = 2,170,128,887.73
  5. Step 5: Solve for x
    x = 2,170,128,887.73/61,118.68
  6. Step 6: Final answer
    x = 35,506.80

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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.