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Finding the Fourth Proportional to 203,857.39, 305,848.05 and 63,617.23

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Solution

The fourth proportional to 203,857.39, 305,848.05 and 63,617.23 is: 95,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,857.39 : 305,848.05 = 63,617.23 : x
  2. Step 2: Convert to fraction form
    203,857.39/305,848.05 = 63,617.23/x
  3. Step 3: Cross multiply
    203,857.39x = 305,848.05 × 63,617.23
  4. Step 4: Simplify right side
    203,857.39x = 19,457,205,741.90
  5. Step 5: Solve for x
    x = 19,457,205,741.90/203,857.39
  6. Step 6: Final answer
    x = 95,445.18

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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.