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Finding the Fourth Proportional to 223,832.60, 335,489.70 and 90,625.40

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Solution

The fourth proportional to 223,832.60, 335,489.70 and 90,625.40 is: 135,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,832.60 : 335,489.70 = 90,625.40 : x
  2. Step 2: Convert to fraction form
    223,832.60/335,489.70 = 90,625.40/x
  3. Step 3: Cross multiply
    223,832.60x = 335,489.70 × 90,625.40
  4. Step 4: Simplify right side
    223,832.60x = 30,403,888,258.38
  5. Step 5: Solve for x
    x = 30,403,888,258.38/223,832.60
  6. Step 6: Final answer
    x = 135,833.16

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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.