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Finding the Fourth Proportional to 144,644.37, 216,987.08 and 44,812.41

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Solution

The fourth proportional to 144,644.37, 216,987.08 and 44,812.41 is: 67,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,644.37 : 216,987.08 = 44,812.41 : x
  2. Step 2: Convert to fraction form
    144,644.37/216,987.08 = 44,812.41/x
  3. Step 3: Cross multiply
    144,644.37x = 216,987.08 × 44,812.41
  4. Step 4: Simplify right side
    144,644.37x = 9,723,713,769.60
  5. Step 5: Solve for x
    x = 9,723,713,769.60/144,644.37
  6. Step 6: Final answer
    x = 67,224.97

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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.