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Finding the Fourth Proportional to 92,877.66, 139,221.18 and 36,694.98

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Solution

The fourth proportional to 92,877.66, 139,221.18 and 36,694.98 is: 55,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.66 : 139,221.18 = 36,694.98 : x
  2. Step 2: Convert to fraction form
    92,877.66/139,221.18 = 36,694.98/x
  3. Step 3: Cross multiply
    92,877.66x = 139,221.18 × 36,694.98
  4. Step 4: Simplify right side
    92,877.66x = 5,108,718,415.68
  5. Step 5: Solve for x
    x = 5,108,718,415.68/92,877.66
  6. Step 6: Final answer
    x = 55,004.81

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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.