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Finding the Fourth Proportional to 67,152.93, 92,671.07 and 36,938.31

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Solution

The fourth proportional to 67,152.93, 92,671.07 and 36,938.31 is: 50,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,152.93 : 92,671.07 = 36,938.31 : x
  2. Step 2: Convert to fraction form
    67,152.93/92,671.07 = 36,938.31/x
  3. Step 3: Cross multiply
    67,152.93x = 92,671.07 × 36,938.31
  4. Step 4: Simplify right side
    67,152.93x = 3,423,112,527.00
  5. Step 5: Solve for x
    x = 3,423,112,527.00/67,152.93
  6. Step 6: Final answer
    x = 50,974.88

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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.