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Finding the Fourth Proportional to 202,498.88, 303,748.68 and 69,380.24

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Solution

The fourth proportional to 202,498.88, 303,748.68 and 69,380.24 is: 104,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,498.88 : 303,748.68 = 69,380.24 : x
  2. Step 2: Convert to fraction form
    202,498.88/303,748.68 = 69,380.24/x
  3. Step 3: Cross multiply
    202,498.88x = 303,748.68 × 69,380.24
  4. Step 4: Simplify right side
    202,498.88x = 21,074,156,318.08
  5. Step 5: Solve for x
    x = 21,074,156,318.08/202,498.88
  6. Step 6: Final answer
    x = 104,070.48

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Similar ratio
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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.