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Finding the Fourth Proportional to 135,388.89, 203,115.78 and 41,894.64

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Solution

The fourth proportional to 135,388.89, 203,115.78 and 41,894.64 is: 62,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,388.89 : 203,115.78 = 41,894.64 : x
  2. Step 2: Convert to fraction form
    135,388.89/203,115.78 = 41,894.64/x
  3. Step 3: Cross multiply
    135,388.89x = 203,115.78 × 41,894.64
  4. Step 4: Simplify right side
    135,388.89x = 8,509,462,481.42
  5. Step 5: Solve for x
    x = 8,509,462,481.42/135,388.89
  6. Step 6: Final answer
    x = 62,852.00

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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.