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Finding the Fourth Proportional to 200,348.96, 276,482.02 and 108,469.22

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Solution

The fourth proportional to 200,348.96, 276,482.02 and 108,469.22 is: 149,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,348.96 : 276,482.02 = 108,469.22 : x
  2. Step 2: Convert to fraction form
    200,348.96/276,482.02 = 108,469.22/x
  3. Step 3: Cross multiply
    200,348.96x = 276,482.02 × 108,469.22
  4. Step 4: Simplify right side
    200,348.96x = 29,989,789,053.42
  5. Step 5: Solve for x
    x = 29,989,789,053.42/200,348.96
  6. Step 6: Final answer
    x = 149,687.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.