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Finding the Fourth Proportional to 69,478.92, 104,166.54 and 32,534.28

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Solution

The fourth proportional to 69,478.92, 104,166.54 and 32,534.28 is: 48,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.92 : 104,166.54 = 32,534.28 : x
  2. Step 2: Convert to fraction form
    69,478.92/104,166.54 = 32,534.28/x
  3. Step 3: Cross multiply
    69,478.92x = 104,166.54 × 32,534.28
  4. Step 4: Simplify right side
    69,478.92x = 3,388,983,378.99
  5. Step 5: Solve for x
    x = 3,388,983,378.99/69,478.92
  6. Step 6: Final answer
    x = 48,777.15

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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.