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Finding the Fourth Proportional to 317,163.01, 475,916.78 and 184,138.89

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Solution

The fourth proportional to 317,163.01, 475,916.78 and 184,138.89 is: 276,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,163.01 : 475,916.78 = 184,138.89 : x
  2. Step 2: Convert to fraction form
    317,163.01/475,916.78 = 184,138.89/x
  3. Step 3: Cross multiply
    317,163.01x = 475,916.78 × 184,138.89
  4. Step 4: Simplify right side
    317,163.01x = 87,634,786,680.88
  5. Step 5: Solve for x
    x = 87,634,786,680.88/317,163.01
  6. Step 6: Final answer
    x = 276,308.35

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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.