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Finding the Fourth Proportional to 201,343.52, 301,743.11 and 89,004.62

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Solution

The fourth proportional to 201,343.52, 301,743.11 and 89,004.62 is: 133,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,343.52 : 301,743.11 = 89,004.62 : x
  2. Step 2: Convert to fraction form
    201,343.52/301,743.11 = 89,004.62/x
  3. Step 3: Cross multiply
    201,343.52x = 301,743.11 × 89,004.62
  4. Step 4: Simplify right side
    201,343.52x = 26,856,528,889.43
  5. Step 5: Solve for x
    x = 26,856,528,889.43/201,343.52
  6. Step 6: Final answer
    x = 133,386.61

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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.