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Finding the Fourth Proportional to 144,210.22, 216,451.04 and 73,183.85

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Solution

The fourth proportional to 144,210.22, 216,451.04 and 73,183.85 is: 109,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,210.22 : 216,451.04 = 73,183.85 : x
  2. Step 2: Convert to fraction form
    144,210.22/216,451.04 = 73,183.85/x
  3. Step 3: Cross multiply
    144,210.22x = 216,451.04 × 73,183.85
  4. Step 4: Simplify right side
    144,210.22x = 15,840,721,024.76
  5. Step 5: Solve for x
    x = 15,840,721,024.76/144,210.22
  6. Step 6: Final answer
    x = 109,844.65

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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.