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Finding the Fourth Proportional to 265,006.08, 397,606.32 and 122,919.12

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Solution

The fourth proportional to 265,006.08, 397,606.32 and 122,919.12 is: 184,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,006.08 : 397,606.32 = 122,919.12 : x
  2. Step 2: Convert to fraction form
    265,006.08/397,606.32 = 122,919.12/x
  3. Step 3: Cross multiply
    265,006.08x = 397,606.32 × 122,919.12
  4. Step 4: Simplify right side
    265,006.08x = 48,873,418,960.84
  5. Step 5: Solve for x
    x = 48,873,418,960.84/265,006.08
  6. Step 6: Final answer
    x = 184,423.76

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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.