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Finding the Fourth Proportional to 203,577.88, 305,411.10 and 63,347.80

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Solution

The fourth proportional to 203,577.88, 305,411.10 and 63,347.80 is: 95,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,577.88 : 305,411.10 = 63,347.80 : x
  2. Step 2: Convert to fraction form
    203,577.88/305,411.10 = 63,347.80/x
  3. Step 3: Cross multiply
    203,577.88x = 305,411.10 × 63,347.80
  4. Step 4: Simplify right side
    203,577.88x = 19,347,121,280.58
  5. Step 5: Solve for x
    x = 19,347,121,280.58/203,577.88
  6. Step 6: Final answer
    x = 95,035.48

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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.