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Finding the Fourth Proportional to 67,176.66, 92,703.78 and 36,961.32

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Solution

The fourth proportional to 67,176.66, 92,703.78 and 36,961.32 is: 51,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,176.66 : 92,703.78 = 36,961.32 : x
  2. Step 2: Convert to fraction form
    67,176.66/92,703.78 = 36,961.32/x
  3. Step 3: Cross multiply
    67,176.66x = 92,703.78 × 36,961.32
  4. Step 4: Simplify right side
    67,176.66x = 3,426,454,077.79
  5. Step 5: Solve for x
    x = 3,426,454,077.79/67,176.66
  6. Step 6: Final answer
    x = 51,006.62

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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.