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Finding the Fourth Proportional to 67,188.59, 92,717.92 and 36,971.08

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Solution

The fourth proportional to 67,188.59, 92,717.92 and 36,971.08 is: 51,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,188.59 : 92,717.92 = 36,971.08 : x
  2. Step 2: Convert to fraction form
    67,188.59/92,717.92 = 36,971.08/x
  3. Step 3: Cross multiply
    67,188.59x = 92,717.92 × 36,971.08
  4. Step 4: Simplify right side
    67,188.59x = 3,427,881,637.75
  5. Step 5: Solve for x
    x = 3,427,881,637.75/67,188.59
  6. Step 6: Final answer
    x = 51,018.81

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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.