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Finding the Fourth Proportional to 200,004.70, 299,229.45 and 130,020.70

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Solution

The fourth proportional to 200,004.70, 299,229.45 and 130,020.70 is: 194,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,004.70 : 299,229.45 = 130,020.70 : x
  2. Step 2: Convert to fraction form
    200,004.70/299,229.45 = 130,020.70/x
  3. Step 3: Cross multiply
    200,004.70x = 299,229.45 × 130,020.70
  4. Step 4: Simplify right side
    200,004.70x = 38,906,022,549.62
  5. Step 5: Solve for x
    x = 38,906,022,549.62/200,004.70
  6. Step 6: Final answer
    x = 194,525.54

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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.