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Finding the Fourth Proportional to 449,042.71, 673,675.67 and 133,499.11

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Solution

The fourth proportional to 449,042.71, 673,675.67 and 133,499.11 is: 200,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,042.71 : 673,675.67 = 133,499.11 : x
  2. Step 2: Convert to fraction form
    449,042.71/673,675.67 = 133,499.11/x
  3. Step 3: Cross multiply
    449,042.71x = 673,675.67 × 133,499.11
  4. Step 4: Simplify right side
    449,042.71x = 89,935,102,373.65
  5. Step 5: Solve for x
    x = 89,935,102,373.65/449,042.71
  6. Step 6: Final answer
    x = 200,281.84

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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.