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Finding the Fourth Proportional to 203,237.87, 280,016.62 and 134,204.74

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Solution

The fourth proportional to 203,237.87, 280,016.62 and 134,204.74 is: 184,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.87 : 280,016.62 = 134,204.74 : x
  2. Step 2: Convert to fraction form
    203,237.87/280,016.62 = 134,204.74/x
  3. Step 3: Cross multiply
    203,237.87x = 280,016.62 × 134,204.74
  4. Step 4: Simplify right side
    203,237.87x = 37,579,558,933.67
  5. Step 5: Solve for x
    x = 37,579,558,933.67/203,237.87
  6. Step 6: Final answer
    x = 184,904.32

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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.