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Finding the Fourth Proportional to 92,764.74, 139,152.90 and 26,209.98

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Solution

The fourth proportional to 92,764.74, 139,152.90 and 26,209.98 is: 39,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.74 : 139,152.90 = 26,209.98 : x
  2. Step 2: Convert to fraction form
    92,764.74/139,152.90 = 26,209.98/x
  3. Step 3: Cross multiply
    92,764.74x = 139,152.90 × 26,209.98
  4. Step 4: Simplify right side
    92,764.74x = 3,647,194,725.94
  5. Step 5: Solve for x
    x = 3,647,194,725.94/92,764.74
  6. Step 6: Final answer
    x = 39,316.61

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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.