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Finding the Fourth Proportional to 69,232.52, 103,849.61 and 19,309.59

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Solution

The fourth proportional to 69,232.52, 103,849.61 and 19,309.59 is: 28,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,232.52 : 103,849.61 = 19,309.59 : x
  2. Step 2: Convert to fraction form
    69,232.52/103,849.61 = 19,309.59/x
  3. Step 3: Cross multiply
    69,232.52x = 103,849.61 × 19,309.59
  4. Step 4: Simplify right side
    69,232.52x = 2,005,293,402.83
  5. Step 5: Solve for x
    x = 2,005,293,402.83/69,232.52
  6. Step 6: Final answer
    x = 28,964.62

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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.