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Finding the Fourth Proportional to 203,261.82, 304,843.72 and 84,868.98

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Solution

The fourth proportional to 203,261.82, 304,843.72 and 84,868.98 is: 127,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,261.82 : 304,843.72 = 84,868.98 : x
  2. Step 2: Convert to fraction form
    203,261.82/304,843.72 = 84,868.98/x
  3. Step 3: Cross multiply
    203,261.82x = 304,843.72 × 84,868.98
  4. Step 4: Simplify right side
    203,261.82x = 25,871,773,627.24
  5. Step 5: Solve for x
    x = 25,871,773,627.24/203,261.82
  6. Step 6: Final answer
    x = 127,283.00

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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.