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Finding the Fourth Proportional to 61,877.22, 92,658.83 and 51,855.62

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Solution

The fourth proportional to 61,877.22, 92,658.83 and 51,855.62 is: 77,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.22 : 92,658.83 = 51,855.62 : x
  2. Step 2: Convert to fraction form
    61,877.22/92,658.83 = 51,855.62/x
  3. Step 3: Cross multiply
    61,877.22x = 92,658.83 × 51,855.62
  4. Step 4: Simplify right side
    61,877.22x = 4,804,880,355.55
  5. Step 5: Solve for x
    x = 4,804,880,355.55/61,877.22
  6. Step 6: Final answer
    x = 77,651.85

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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.