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Finding the Fourth Proportional to 67,354.64, 92,947.60 and 37,139.45

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Solution

The fourth proportional to 67,354.64, 92,947.60 and 37,139.45 is: 51,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,354.64 : 92,947.60 = 37,139.45 : x
  2. Step 2: Convert to fraction form
    67,354.64/92,947.60 = 37,139.45/x
  3. Step 3: Cross multiply
    67,354.64x = 92,947.60 × 37,139.45
  4. Step 4: Simplify right side
    67,354.64x = 3,452,022,742.82
  5. Step 5: Solve for x
    x = 3,452,022,742.82/67,354.64
  6. Step 6: Final answer
    x = 51,251.45

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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.