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Finding the Fourth Proportional to 203,607.02, 305,410.54 and 63,365.70

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Solution

The fourth proportional to 203,607.02, 305,410.54 and 63,365.70 is: 95,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,607.02 : 305,410.54 = 63,365.70 : x
  2. Step 2: Convert to fraction form
    203,607.02/305,410.54 = 63,365.70/x
  3. Step 3: Cross multiply
    203,607.02x = 305,410.54 × 63,365.70
  4. Step 4: Simplify right side
    203,607.02x = 19,352,552,654.48
  5. Step 5: Solve for x
    x = 19,352,552,654.48/203,607.02
  6. Step 6: Final answer
    x = 95,048.55

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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.