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Finding the Fourth Proportional to 201,704.87, 302,417.24 and 89,323.85

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Solution

The fourth proportional to 201,704.87, 302,417.24 and 89,323.85 is: 133,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704.87 : 302,417.24 = 89,323.85 : x
  2. Step 2: Convert to fraction form
    201,704.87/302,417.24 = 89,323.85/x
  3. Step 3: Cross multiply
    201,704.87x = 302,417.24 × 89,323.85
  4. Step 4: Simplify right side
    201,704.87x = 27,013,070,224.47
  5. Step 5: Solve for x
    x = 27,013,070,224.47/201,704.87
  6. Step 6: Final answer
    x = 133,923.74

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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.