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Finding the Fourth Proportional to 243,658.24, 365,445.44 and 66,179.54

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Solution

The fourth proportional to 243,658.24, 365,445.44 and 66,179.54 is: 99,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,658.24 : 365,445.44 = 66,179.54 : x
  2. Step 2: Convert to fraction form
    243,658.24/365,445.44 = 66,179.54/x
  3. Step 3: Cross multiply
    243,658.24x = 365,445.44 × 66,179.54
  4. Step 4: Simplify right side
    243,658.24x = 24,185,011,114.30
  5. Step 5: Solve for x
    x = 24,185,011,114.30/243,658.24
  6. Step 6: Final answer
    x = 99,257.92

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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.