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Finding the Fourth Proportional to 69,695.21, 96,179.81 and 37,864.19

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Solution

The fourth proportional to 69,695.21, 96,179.81 and 37,864.19 is: 52,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.21 : 96,179.81 = 37,864.19 : x
  2. Step 2: Convert to fraction form
    69,695.21/96,179.81 = 37,864.19/x
  3. Step 3: Cross multiply
    69,695.21x = 96,179.81 × 37,864.19
  4. Step 4: Simplify right side
    69,695.21x = 3,641,769,929.78
  5. Step 5: Solve for x
    x = 3,641,769,929.78/69,695.21
  6. Step 6: Final answer
    x = 52,252.80

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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.