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Finding the Fourth Proportional to 247,213.44, 370,819.98 and 89,405.10

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Solution

The fourth proportional to 247,213.44, 370,819.98 and 89,405.10 is: 134,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.44 : 370,819.98 = 89,405.10 : x
  2. Step 2: Convert to fraction form
    247,213.44/370,819.98 = 89,405.10/x
  3. Step 3: Cross multiply
    247,213.44x = 370,819.98 × 89,405.10
  4. Step 4: Simplify right side
    247,213.44x = 33,153,197,393.90
  5. Step 5: Solve for x
    x = 33,153,197,393.90/247,213.44
  6. Step 6: Final answer
    x = 134,107.58

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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.