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Finding the Fourth Proportional to 302,367.78, 453,516.42 and 112,834.68

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Solution

The fourth proportional to 302,367.78, 453,516.42 and 112,834.68 is: 169,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,367.78 : 453,516.42 = 112,834.68 : x
  2. Step 2: Convert to fraction form
    302,367.78/453,516.42 = 112,834.68/x
  3. Step 3: Cross multiply
    302,367.78x = 453,516.42 × 112,834.68
  4. Step 4: Simplify right side
    302,367.78x = 51,172,380,125.45
  5. Step 5: Solve for x
    x = 51,172,380,125.45/302,367.78
  6. Step 6: Final answer
    x = 169,238.87

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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.