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Finding the Fourth Proportional to 199,820.40, 299,472.22 and 149,505.73

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Solution

The fourth proportional to 199,820.40, 299,472.22 and 149,505.73 is: 224,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.40 : 299,472.22 = 149,505.73 : x
  2. Step 2: Convert to fraction form
    199,820.40/299,472.22 = 149,505.73/x
  3. Step 3: Cross multiply
    199,820.40x = 299,472.22 × 149,505.73
  4. Step 4: Simplify right side
    199,820.40x = 44,772,812,865.82
  5. Step 5: Solve for x
    x = 44,772,812,865.82/199,820.40
  6. Step 6: Final answer
    x = 224,065.27

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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.