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Finding the Fourth Proportional to 201,150.60, 301,898.70 and 89,003.40

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Solution

The fourth proportional to 201,150.60, 301,898.70 and 89,003.40 is: 133,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.60 : 301,898.70 = 89,003.40 : x
  2. Step 2: Convert to fraction form
    201,150.60/301,898.70 = 89,003.40/x
  3. Step 3: Cross multiply
    201,150.60x = 301,898.70 × 89,003.40
  4. Step 4: Simplify right side
    201,150.60x = 26,870,010,755.58
  5. Step 5: Solve for x
    x = 26,870,010,755.58/201,150.60
  6. Step 6: Final answer
    x = 133,581.56

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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.