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Finding the Fourth Proportional to 67,392.70, 93,001.66 and 37,179.90

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Solution

The fourth proportional to 67,392.70, 93,001.66 and 37,179.90 is: 51,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392.70 : 93,001.66 = 37,179.90 : x
  2. Step 2: Convert to fraction form
    67,392.70/93,001.66 = 37,179.90/x
  3. Step 3: Cross multiply
    67,392.70x = 93,001.66 × 37,179.90
  4. Step 4: Simplify right side
    67,392.70x = 3,457,792,418.63
  5. Step 5: Solve for x
    x = 3,457,792,418.63/67,392.70
  6. Step 6: Final answer
    x = 51,308.12

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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.