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Finding the Fourth Proportional to 114,641.91, 171,896.61 and 44,439.21

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Solution

The fourth proportional to 114,641.91, 171,896.61 and 44,439.21 is: 66,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,641.91 : 171,896.61 = 44,439.21 : x
  2. Step 2: Convert to fraction form
    114,641.91/171,896.61 = 44,439.21/x
  3. Step 3: Cross multiply
    114,641.91x = 171,896.61 × 44,439.21
  4. Step 4: Simplify right side
    114,641.91x = 7,638,949,550.08
  5. Step 5: Solve for x
    x = 7,638,949,550.08/114,641.91
  6. Step 6: Final answer
    x = 66,633.13

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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.