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Finding the Fourth Proportional to 179,798.10, 269,659.35 and 90,968.10

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Solution

The fourth proportional to 179,798.10, 269,659.35 and 90,968.10 is: 136,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,798.10 : 269,659.35 = 90,968.10 : x
  2. Step 2: Convert to fraction form
    179,798.10/269,659.35 = 90,968.10/x
  3. Step 3: Cross multiply
    179,798.10x = 269,659.35 × 90,968.10
  4. Step 4: Simplify right side
    179,798.10x = 24,530,398,716.74
  5. Step 5: Solve for x
    x = 24,530,398,716.74/179,798.10
  6. Step 6: Final answer
    x = 136,433.03

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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.