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Finding the Fourth Proportional to 202,071.70, 303,435.60 and 113,498.20

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Solution

The fourth proportional to 202,071.70, 303,435.60 and 113,498.20 is: 170,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,071.70 : 303,435.60 = 113,498.20 : x
  2. Step 2: Convert to fraction form
    202,071.70/303,435.60 = 113,498.20/x
  3. Step 3: Cross multiply
    202,071.70x = 303,435.60 × 113,498.20
  4. Step 4: Simplify right side
    202,071.70x = 34,439,394,415.92
  5. Step 5: Solve for x
    x = 34,439,394,415.92/202,071.70
  6. Step 6: Final answer
    x = 170,431.56

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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.