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Finding the Fourth Proportional to 259,331.16, 357,877.08 and 140,099.16

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Solution

The fourth proportional to 259,331.16, 357,877.08 and 140,099.16 is: 193,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,331.16 : 357,877.08 = 140,099.16 : x
  2. Step 2: Convert to fraction form
    259,331.16/357,877.08 = 140,099.16/x
  3. Step 3: Cross multiply
    259,331.16x = 357,877.08 × 140,099.16
  4. Step 4: Simplify right side
    259,331.16x = 50,138,278,291.25
  5. Step 5: Solve for x
    x = 50,138,278,291.25/259,331.16
  6. Step 6: Final answer
    x = 193,336.88

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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.