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Finding the Fourth Proportional to 203,393.90, 305,087.58 and 63,152.66

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Solution

The fourth proportional to 203,393.90, 305,087.58 and 63,152.66 is: 94,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,393.90 : 305,087.58 = 63,152.66 : x
  2. Step 2: Convert to fraction form
    203,393.90/305,087.58 = 63,152.66/x
  3. Step 3: Cross multiply
    203,393.90x = 305,087.58 × 63,152.66
  4. Step 4: Simplify right side
    203,393.90x = 19,267,092,209.96
  5. Step 5: Solve for x
    x = 19,267,092,209.96/203,393.90
  6. Step 6: Final answer
    x = 94,727.97

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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.