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Finding the Fourth Proportional to 144,009.39, 216,006 and 44,169.31

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Solution

The fourth proportional to 144,009.39, 216,006 and 44,169.31 is: 66,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,009.39 : 216,006 = 44,169.31 : x
  2. Step 2: Convert to fraction form
    144,009.39/216,006 = 44,169.31/x
  3. Step 3: Cross multiply
    144,009.39x = 216,006 × 44,169.31
  4. Step 4: Simplify right side
    144,009.39x = 9,540,835,975.86
  5. Step 5: Solve for x
    x = 9,540,835,975.86/144,009.39
  6. Step 6: Final answer
    x = 66,251.49

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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.