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Finding the Fourth Proportional to 199,825.40, 299,479.72 and 149,510.73

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Solution

The fourth proportional to 199,825.40, 299,479.72 and 149,510.73 is: 224,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,825.40 : 299,479.72 = 149,510.73 : x
  2. Step 2: Convert to fraction form
    199,825.40/299,479.72 = 149,510.73/x
  3. Step 3: Cross multiply
    199,825.40x = 299,479.72 × 149,510.73
  4. Step 4: Simplify right side
    199,825.40x = 44,775,431,557.40
  5. Step 5: Solve for x
    x = 44,775,431,557.40/199,825.40
  6. Step 6: Final answer
    x = 224,072.77

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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.