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Finding the Fourth Proportional to 92,697.88, 139,046.94 and 26,137.48

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Solution

The fourth proportional to 92,697.88, 139,046.94 and 26,137.48 is: 39,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,697.88 : 139,046.94 = 26,137.48 : x
  2. Step 2: Convert to fraction form
    92,697.88/139,046.94 = 26,137.48/x
  3. Step 3: Cross multiply
    92,697.88x = 139,046.94 × 26,137.48
  4. Step 4: Simplify right side
    92,697.88x = 3,634,336,613.31
  5. Step 5: Solve for x
    x = 3,634,336,613.31/92,697.88
  6. Step 6: Final answer
    x = 39,206.25

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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.