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Finding the Fourth Proportional to 222,348.96, 306,889.20 and 141,757.92

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Solution

The fourth proportional to 222,348.96, 306,889.20 and 141,757.92 is: 195,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,348.96 : 306,889.20 = 141,757.92 : x
  2. Step 2: Convert to fraction form
    222,348.96/306,889.20 = 141,757.92/x
  3. Step 3: Cross multiply
    222,348.96x = 306,889.20 × 141,757.92
  4. Step 4: Simplify right side
    222,348.96x = 43,503,974,662.46
  5. Step 5: Solve for x
    x = 43,503,974,662.46/222,348.96
  6. Step 6: Final answer
    x = 195,656.30

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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.