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Finding the Fourth Proportional to 92,939.88, 139,415.10 and 26,374.74

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Solution

The fourth proportional to 92,939.88, 139,415.10 and 26,374.74 is: 39,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.88 : 139,415.10 = 26,374.74 : x
  2. Step 2: Convert to fraction form
    92,939.88/139,415.10 = 26,374.74/x
  3. Step 3: Cross multiply
    92,939.88x = 139,415.10 × 26,374.74
  4. Step 4: Simplify right side
    92,939.88x = 3,677,037,014.57
  5. Step 5: Solve for x
    x = 3,677,037,014.57/92,939.88
  6. Step 6: Final answer
    x = 39,563.61

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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.