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Finding the Fourth Proportional to 201,076.40, 301,833.30 and 112,502.90

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Solution

The fourth proportional to 201,076.40, 301,833.30 and 112,502.90 is: 168,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,076.40 : 301,833.30 = 112,502.90 : x
  2. Step 2: Convert to fraction form
    201,076.40/301,833.30 = 112,502.90/x
  3. Step 3: Cross multiply
    201,076.40x = 301,833.30 × 112,502.90
  4. Step 4: Simplify right side
    201,076.40x = 33,957,121,566.57
  5. Step 5: Solve for x
    x = 33,957,121,566.57/201,076.40
  6. Step 6: Final answer
    x = 168,876.71

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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.