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Finding the Fourth Proportional to 109,321.79, 150,546.44 and 94,975.07

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Solution

The fourth proportional to 109,321.79, 150,546.44 and 94,975.07 is: 130,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321.79 : 150,546.44 = 94,975.07 : x
  2. Step 2: Convert to fraction form
    109,321.79/150,546.44 = 94,975.07/x
  3. Step 3: Cross multiply
    109,321.79x = 150,546.44 × 94,975.07
  4. Step 4: Simplify right side
    109,321.79x = 14,298,158,161.96
  5. Step 5: Solve for x
    x = 14,298,158,161.96/109,321.79
  6. Step 6: Final answer
    x = 130,789.65

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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.