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Finding the Fourth Proportional to 215,442.98, 323,199.50 and 63,655.46

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Solution

The fourth proportional to 215,442.98, 323,199.50 and 63,655.46 is: 95,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.98 : 323,199.50 = 63,655.46 : x
  2. Step 2: Convert to fraction form
    215,442.98/323,199.50 = 63,655.46/x
  3. Step 3: Cross multiply
    215,442.98x = 323,199.50 × 63,655.46
  4. Step 4: Simplify right side
    215,442.98x = 20,573,412,844.27
  5. Step 5: Solve for x
    x = 20,573,412,844.27/215,442.98
  6. Step 6: Final answer
    x = 95,493.54

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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.