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Finding the Fourth Proportional to 199,747.52, 299,622.40 and 66,627.41

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Solution

The fourth proportional to 199,747.52, 299,622.40 and 66,627.41 is: 99,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,747.52 : 299,622.40 = 66,627.41 : x
  2. Step 2: Convert to fraction form
    199,747.52/299,622.40 = 66,627.41/x
  3. Step 3: Cross multiply
    199,747.52x = 299,622.40 × 66,627.41
  4. Step 4: Simplify right side
    199,747.52x = 19,963,064,489.98
  5. Step 5: Solve for x
    x = 19,963,064,489.98/199,747.52
  6. Step 6: Final answer
    x = 99,941.49

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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.