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Finding the Fourth Proportional to 67,188.53, 92,717.84 and 36,971.02

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Solution

The fourth proportional to 67,188.53, 92,717.84 and 36,971.02 is: 51,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,188.53 : 92,717.84 = 36,971.02 : x
  2. Step 2: Convert to fraction form
    67,188.53/92,717.84 = 36,971.02/x
  3. Step 3: Cross multiply
    67,188.53x = 92,717.84 × 36,971.02
  4. Step 4: Simplify right side
    67,188.53x = 3,427,872,700.35
  5. Step 5: Solve for x
    x = 3,427,872,700.35/67,188.53
  6. Step 6: Final answer
    x = 51,018.72

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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.