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Finding the Fourth Proportional to 202,403.90, 303,605.85 and 163,037.90

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Solution

The fourth proportional to 202,403.90, 303,605.85 and 163,037.90 is: 244,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,403.90 : 303,605.85 = 163,037.90 : x
  2. Step 2: Convert to fraction form
    202,403.90/303,605.85 = 163,037.90/x
  3. Step 3: Cross multiply
    202,403.90x = 303,605.85 × 163,037.90
  4. Step 4: Simplify right side
    202,403.90x = 49,499,260,211.72
  5. Step 5: Solve for x
    x = 49,499,260,211.72/202,403.90
  6. Step 6: Final answer
    x = 244,556.85

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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.