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Finding the Fourth Proportional to 109,520.92, 164,299.08 and 42,924.92

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Solution

The fourth proportional to 109,520.92, 164,299.08 and 42,924.92 is: 64,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,520.92 : 164,299.08 = 42,924.92 : x
  2. Step 2: Convert to fraction form
    109,520.92/164,299.08 = 42,924.92/x
  3. Step 3: Cross multiply
    109,520.92x = 164,299.08 × 42,924.92
  4. Step 4: Simplify right side
    109,520.92x = 7,052,524,865.07
  5. Step 5: Solve for x
    x = 7,052,524,865.07/109,520.92
  6. Step 6: Final answer
    x = 64,394.32

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1.5x scale

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.