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Finding the Fourth Proportional to 262,963.08, 362,889.08 and 142,103.92

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Solution

The fourth proportional to 262,963.08, 362,889.08 and 142,103.92 is: 196,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,963.08 : 362,889.08 = 142,103.92 : x
  2. Step 2: Convert to fraction form
    262,963.08/362,889.08 = 142,103.92/x
  3. Step 3: Cross multiply
    262,963.08x = 362,889.08 × 142,103.92
  4. Step 4: Simplify right side
    262,963.08x = 51,567,960,793.19
  5. Step 5: Solve for x
    x = 51,567,960,793.19/262,963.08
  6. Step 6: Final answer
    x = 196,103.43

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1.5x scale

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.