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Finding the Fourth Proportional to 447,099.98, 670,650.15 and 110,147.18

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Solution

The fourth proportional to 447,099.98, 670,650.15 and 110,147.18 is: 165,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,099.98 : 670,650.15 = 110,147.18 : x
  2. Step 2: Convert to fraction form
    447,099.98/670,650.15 = 110,147.18/x
  3. Step 3: Cross multiply
    447,099.98x = 670,650.15 × 110,147.18
  4. Step 4: Simplify right side
    447,099.98x = 73,870,224,887.91
  5. Step 5: Solve for x
    x = 73,870,224,887.91/447,099.98
  6. Step 6: Final answer
    x = 165,220.82

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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.