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Finding the Fourth Proportional to 203,187.96, 280,245.42 and 177,993.72

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Solution

The fourth proportional to 203,187.96, 280,245.42 and 177,993.72 is: 245,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,187.96 : 280,245.42 = 177,993.72 : x
  2. Step 2: Convert to fraction form
    203,187.96/280,245.42 = 177,993.72/x
  3. Step 3: Cross multiply
    203,187.96x = 280,245.42 × 177,993.72
  4. Step 4: Simplify right side
    203,187.96x = 49,881,924,818.76
  5. Step 5: Solve for x
    x = 49,881,924,818.76/203,187.96
  6. Step 6: Final answer
    x = 245,496.46

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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.