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Finding the Fourth Proportional to 70,003.62, 104,963.20 and 27,890.19

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Solution

The fourth proportional to 70,003.62, 104,963.20 and 27,890.19 is: 41,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.62 : 104,963.20 = 27,890.19 : x
  2. Step 2: Convert to fraction form
    70,003.62/104,963.20 = 27,890.19/x
  3. Step 3: Cross multiply
    70,003.62x = 104,963.20 × 27,890.19
  4. Step 4: Simplify right side
    70,003.62x = 2,927,443,521.28
  5. Step 5: Solve for x
    x = 2,927,443,521.28/70,003.62
  6. Step 6: Final answer
    x = 41,818.46

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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.