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Finding the Fourth Proportional to 204,658.32, 306,420.64 and 104,603.04

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Solution

The fourth proportional to 204,658.32, 306,420.64 and 104,603.04 is: 156,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,658.32 : 306,420.64 = 104,603.04 : x
  2. Step 2: Convert to fraction form
    204,658.32/306,420.64 = 104,603.04/x
  3. Step 3: Cross multiply
    204,658.32x = 306,420.64 × 104,603.04
  4. Step 4: Simplify right side
    204,658.32x = 32,052,530,462.75
  5. Step 5: Solve for x
    x = 32,052,530,462.75/204,658.32
  6. Step 6: Final answer
    x = 156,614.84

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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.