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Finding the Fourth Proportional to 201,280.90, 302,003.36 and 101,469.86

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Solution

The fourth proportional to 201,280.90, 302,003.36 and 101,469.86 is: 152,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280.90 : 302,003.36 = 101,469.86 : x
  2. Step 2: Convert to fraction form
    201,280.90/302,003.36 = 101,469.86/x
  3. Step 3: Cross multiply
    201,280.90x = 302,003.36 × 101,469.86
  4. Step 4: Simplify right side
    201,280.90x = 30,644,238,658.73
  5. Step 5: Solve for x
    x = 30,644,238,658.73/201,280.90
  6. Step 6: Final answer
    x = 152,246.13

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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.