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Finding the Fourth Proportional to 300,045.62, 450,113.20 and 110,491.43

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Solution

The fourth proportional to 300,045.62, 450,113.20 and 110,491.43 is: 165,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,045.62 : 450,113.20 = 110,491.43 : x
  2. Step 2: Convert to fraction form
    300,045.62/450,113.20 = 110,491.43/x
  3. Step 3: Cross multiply
    300,045.62x = 450,113.20 × 110,491.43
  4. Step 4: Simplify right side
    300,045.62x = 49,733,648,603.08
  5. Step 5: Solve for x
    x = 49,733,648,603.08/300,045.62
  6. Step 6: Final answer
    x = 165,753.62

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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.