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Finding the Fourth Proportional to 67,394.21, 93,005.73 and 37,179.88

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Solution

The fourth proportional to 67,394.21, 93,005.73 and 37,179.88 is: 51,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394.21 : 93,005.73 = 37,179.88 : x
  2. Step 2: Convert to fraction form
    67,394.21/93,005.73 = 37,179.88/x
  3. Step 3: Cross multiply
    67,394.21x = 93,005.73 × 37,179.88
  4. Step 4: Simplify right side
    67,394.21x = 3,457,941,648.20
  5. Step 5: Solve for x
    x = 3,457,941,648.20/67,394.21
  6. Step 6: Final answer
    x = 51,309.18

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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.