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Finding the Fourth Proportional to 201,121.72, 301,585.07 and 116,906.13

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Solution

The fourth proportional to 201,121.72, 301,585.07 and 116,906.13 is: 175,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,121.72 : 301,585.07 = 116,906.13 : x
  2. Step 2: Convert to fraction form
    201,121.72/301,585.07 = 116,906.13/x
  3. Step 3: Cross multiply
    201,121.72x = 301,585.07 × 116,906.13
  4. Step 4: Simplify right side
    201,121.72x = 35,257,143,691.74
  5. Step 5: Solve for x
    x = 35,257,143,691.74/201,121.72
  6. Step 6: Final answer
    x = 175,302.52

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1.5x scale

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.