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Finding the Fourth Proportional to 109,396.50, 150,967.31 and 59,095.50

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Solution

The fourth proportional to 109,396.50, 150,967.31 and 59,095.50 is: 81,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,396.50 : 150,967.31 = 59,095.50 : x
  2. Step 2: Convert to fraction form
    109,396.50/150,967.31 = 59,095.50/x
  3. Step 3: Cross multiply
    109,396.50x = 150,967.31 × 59,095.50
  4. Step 4: Simplify right side
    109,396.50x = 8,921,488,372.63
  5. Step 5: Solve for x
    x = 8,921,488,372.63/109,396.50
  6. Step 6: Final answer
    x = 81,551.86

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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.