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Finding the Fourth Proportional to 191,662.52, 264,494.36 and 106,785.12

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Solution

The fourth proportional to 191,662.52, 264,494.36 and 106,785.12 is: 147,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,662.52 : 264,494.36 = 106,785.12 : x
  2. Step 2: Convert to fraction form
    191,662.52/264,494.36 = 106,785.12/x
  3. Step 3: Cross multiply
    191,662.52x = 264,494.36 × 106,785.12
  4. Step 4: Simplify right side
    191,662.52x = 28,244,061,971.92
  5. Step 5: Solve for x
    x = 28,244,061,971.92/191,662.52
  6. Step 6: Final answer
    x = 147,363.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.