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Finding the Fourth Proportional to 299,614.59, 449,423.64 and 99,934.47

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Solution

The fourth proportional to 299,614.59, 449,423.64 and 99,934.47 is: 149,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,614.59 : 449,423.64 = 99,934.47 : x
  2. Step 2: Convert to fraction form
    299,614.59/449,423.64 = 99,934.47/x
  3. Step 3: Cross multiply
    299,614.59x = 449,423.64 × 99,934.47
  4. Step 4: Simplify right side
    299,614.59x = 44,912,913,268.87
  5. Step 5: Solve for x
    x = 44,912,913,268.87/299,614.59
  6. Step 6: Final answer
    x = 149,902.29

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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.