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Finding the Fourth Proportional to 202,337.55, 303,506.33 and 69,197.85

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Solution

The fourth proportional to 202,337.55, 303,506.33 and 69,197.85 is: 103,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.55 : 303,506.33 = 69,197.85 : x
  2. Step 2: Convert to fraction form
    202,337.55/303,506.33 = 69,197.85/x
  3. Step 3: Cross multiply
    202,337.55x = 303,506.33 × 69,197.85
  4. Step 4: Simplify right side
    202,337.55x = 21,001,985,151.40
  5. Step 5: Solve for x
    x = 21,001,985,151.40/202,337.55
  6. Step 6: Final answer
    x = 103,796.78

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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.