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Finding the Fourth Proportional to 69,911.71, 104,833.24 and 29,925.05

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Solution

The fourth proportional to 69,911.71, 104,833.24 and 29,925.05 is: 44,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.71 : 104,833.24 = 29,925.05 : x
  2. Step 2: Convert to fraction form
    69,911.71/104,833.24 = 29,925.05/x
  3. Step 3: Cross multiply
    69,911.71x = 104,833.24 × 29,925.05
  4. Step 4: Simplify right side
    69,911.71x = 3,137,139,349.68
  5. Step 5: Solve for x
    x = 3,137,139,349.68/69,911.71
  6. Step 6: Final answer
    x = 44,872.88

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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.