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Finding the Fourth Proportional to 203,957.12, 305,883.52 and 63,643.52

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Solution

The fourth proportional to 203,957.12, 305,883.52 and 63,643.52 is: 95,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957.12 : 305,883.52 = 63,643.52 : x
  2. Step 2: Convert to fraction form
    203,957.12/305,883.52 = 63,643.52/x
  3. Step 3: Cross multiply
    203,957.12x = 305,883.52 × 63,643.52
  4. Step 4: Simplify right side
    203,957.12x = 19,467,503,922.79
  5. Step 5: Solve for x
    x = 19,467,503,922.79/203,957.12
  6. Step 6: Final answer
    x = 95,449.00

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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.