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Finding the Fourth Proportional to 203,557.64, 280,922.27 and 117,532.37

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Solution

The fourth proportional to 203,557.64, 280,922.27 and 117,532.37 is: 162,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,557.64 : 280,922.27 = 117,532.37 : x
  2. Step 2: Convert to fraction form
    203,557.64/280,922.27 = 117,532.37/x
  3. Step 3: Cross multiply
    203,557.64x = 280,922.27 × 117,532.37
  4. Step 4: Simplify right side
    203,557.64x = 33,017,458,186.61
  5. Step 5: Solve for x
    x = 33,017,458,186.61/203,557.64
  6. Step 6: Final answer
    x = 162,202.01

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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.