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Finding the Fourth Proportional to 69,203.88, 103,746.06 and 27,623.88

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Solution

The fourth proportional to 69,203.88, 103,746.06 and 27,623.88 is: 41,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.88 : 103,746.06 = 27,623.88 : x
  2. Step 2: Convert to fraction form
    69,203.88/103,746.06 = 27,623.88/x
  3. Step 3: Cross multiply
    69,203.88x = 103,746.06 × 27,623.88
  4. Step 4: Simplify right side
    69,203.88x = 2,865,868,711.91
  5. Step 5: Solve for x
    x = 2,865,868,711.91/69,203.88
  6. Step 6: Final answer
    x = 41,411.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.