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Finding the Fourth Proportional to 104,396.28, 156,599.88 and 29,521.92

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Solution

The fourth proportional to 104,396.28, 156,599.88 and 29,521.92 is: 44,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,396.28 : 156,599.88 = 29,521.92 : x
  2. Step 2: Convert to fraction form
    104,396.28/156,599.88 = 29,521.92/x
  3. Step 3: Cross multiply
    104,396.28x = 156,599.88 × 29,521.92
  4. Step 4: Simplify right side
    104,396.28x = 4,623,129,129.37
  5. Step 5: Solve for x
    x = 4,623,129,129.37/104,396.28
  6. Step 6: Final answer
    x = 44,284.42

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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.