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Finding the Fourth Proportional to 202,337.14, 303,507.60 and 89,986.90

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Solution

The fourth proportional to 202,337.14, 303,507.60 and 89,986.90 is: 134,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.14 : 303,507.60 = 89,986.90 : x
  2. Step 2: Convert to fraction form
    202,337.14/303,507.60 = 89,986.90/x
  3. Step 3: Cross multiply
    202,337.14x = 303,507.60 × 89,986.90
  4. Step 4: Simplify right side
    202,337.14x = 27,311,708,050.44
  5. Step 5: Solve for x
    x = 27,311,708,050.44/202,337.14
  6. Step 6: Final answer
    x = 134,981.19

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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.