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Finding the Fourth Proportional to 69,449.72, 104,154.02 and 29,468.18

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Solution

The fourth proportional to 69,449.72, 104,154.02 and 29,468.18 is: 44,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449.72 : 104,154.02 = 29,468.18 : x
  2. Step 2: Convert to fraction form
    69,449.72/104,154.02 = 29,468.18/x
  3. Step 3: Cross multiply
    69,449.72x = 104,154.02 × 29,468.18
  4. Step 4: Simplify right side
    69,449.72x = 3,069,229,409.08
  5. Step 5: Solve for x
    x = 3,069,229,409.08/69,449.72
  6. Step 6: Final answer
    x = 44,193.55

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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.