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Finding the Fourth Proportional to 202,310.55, 303,465.83 and 108,998.55

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Solution

The fourth proportional to 202,310.55, 303,465.83 and 108,998.55 is: 163,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,310.55 : 303,465.83 = 108,998.55 : x
  2. Step 2: Convert to fraction form
    202,310.55/303,465.83 = 108,998.55/x
  3. Step 3: Cross multiply
    202,310.55x = 303,465.83 × 108,998.55
  4. Step 4: Simplify right side
    202,310.55x = 33,077,334,899.55
  5. Step 5: Solve for x
    x = 33,077,334,899.55/202,310.55
  6. Step 6: Final answer
    x = 163,497.83

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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.