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Finding the Fourth Proportional to 67,353.10, 92,947.93 and 37,139.50

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Solution

The fourth proportional to 67,353.10, 92,947.93 and 37,139.50 is: 51,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.10 : 92,947.93 = 37,139.50 : x
  2. Step 2: Convert to fraction form
    67,353.10/92,947.93 = 37,139.50/x
  3. Step 3: Cross multiply
    67,353.10x = 92,947.93 × 37,139.50
  4. Step 4: Simplify right side
    67,353.10x = 3,452,039,251.19
  5. Step 5: Solve for x
    x = 3,452,039,251.19/67,353.10
  6. Step 6: Final answer
    x = 51,252.86

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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.