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Finding the Fourth Proportional to 191,535.52, 264,323.28 and 106,660.48

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Solution

The fourth proportional to 191,535.52, 264,323.28 and 106,660.48 is: 147,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,535.52 : 264,323.28 = 106,660.48 : x
  2. Step 2: Convert to fraction form
    191,535.52/264,323.28 = 106,660.48/x
  3. Step 3: Cross multiply
    191,535.52x = 264,323.28 × 106,660.48
  4. Step 4: Simplify right side
    191,535.52x = 28,192,847,919.97
  5. Step 5: Solve for x
    x = 28,192,847,919.97/191,535.52
  6. Step 6: Final answer
    x = 147,193.84

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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.