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Finding the Fourth Proportional to 144,310.72, 216,494.43 and 44,453.92

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Solution

The fourth proportional to 144,310.72, 216,494.43 and 44,453.92 is: 66,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,310.72 : 216,494.43 = 44,453.92 : x
  2. Step 2: Convert to fraction form
    144,310.72/216,494.43 = 44,453.92/x
  3. Step 3: Cross multiply
    144,310.72x = 216,494.43 × 44,453.92
  4. Step 4: Simplify right side
    144,310.72x = 9,624,026,071.67
  5. Step 5: Solve for x
    x = 9,624,026,071.67/144,310.72
  6. Step 6: Final answer
    x = 66,689.61

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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.