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Finding the Fourth Proportional to 144,363.87, 216,583.17 and 44,521.86

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Solution

The fourth proportional to 144,363.87, 216,583.17 and 44,521.86 is: 66,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.87 : 216,583.17 = 44,521.86 : x
  2. Step 2: Convert to fraction form
    144,363.87/216,583.17 = 44,521.86/x
  3. Step 3: Cross multiply
    144,363.87x = 216,583.17 × 44,521.86
  4. Step 4: Simplify right side
    144,363.87x = 9,642,685,573.10
  5. Step 5: Solve for x
    x = 9,642,685,573.10/144,363.87
  6. Step 6: Final answer
    x = 66,794.31

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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.