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Finding the Fourth Proportional to 411,595.38, 617,330.64 and 112,099.56

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Solution

The fourth proportional to 411,595.38, 617,330.64 and 112,099.56 is: 168,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,595.38 : 617,330.64 = 112,099.56 : x
  2. Step 2: Convert to fraction form
    411,595.38/617,330.64 = 112,099.56/x
  3. Step 3: Cross multiply
    411,595.38x = 617,330.64 × 112,099.56
  4. Step 4: Simplify right side
    411,595.38x = 69,202,493,118.52
  5. Step 5: Solve for x
    x = 69,202,493,118.52/411,595.38
  6. Step 6: Final answer
    x = 168,132.34

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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.