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Finding the Fourth Proportional to 92,658.64, 127,865.49 and 50,216.26

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Solution

The fourth proportional to 92,658.64, 127,865.49 and 50,216.26 is: 69,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.64 : 127,865.49 = 50,216.26 : x
  2. Step 2: Convert to fraction form
    92,658.64/127,865.49 = 50,216.26/x
  3. Step 3: Cross multiply
    92,658.64x = 127,865.49 × 50,216.26
  4. Step 4: Simplify right side
    92,658.64x = 6,420,926,690.87
  5. Step 5: Solve for x
    x = 6,420,926,690.87/92,658.64
  6. Step 6: Final answer
    x = 69,296.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.