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Finding the Fourth Proportional to 67,138.93, 92,649.77 and 36,924.22

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Solution

The fourth proportional to 67,138.93, 92,649.77 and 36,924.22 is: 50,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.93 : 92,649.77 = 36,924.22 : x
  2. Step 2: Convert to fraction form
    67,138.93/92,649.77 = 36,924.22/x
  3. Step 3: Cross multiply
    67,138.93x = 92,649.77 × 36,924.22
  4. Step 4: Simplify right side
    67,138.93x = 3,421,020,305.81
  5. Step 5: Solve for x
    x = 3,421,020,305.81/67,138.93
  6. Step 6: Final answer
    x = 50,954.35

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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.