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Finding the Fourth Proportional to 201,101.90, 301,652.85 and 82,733.90

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Solution

The fourth proportional to 201,101.90, 301,652.85 and 82,733.90 is: 124,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,101.90 : 301,652.85 = 82,733.90 : x
  2. Step 2: Convert to fraction form
    201,101.90/301,652.85 = 82,733.90/x
  3. Step 3: Cross multiply
    201,101.90x = 301,652.85 × 82,733.90
  4. Step 4: Simplify right side
    201,101.90x = 24,956,916,726.62
  5. Step 5: Solve for x
    x = 24,956,916,726.62/201,101.90
  6. Step 6: Final answer
    x = 124,100.85

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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.