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Finding the Fourth Proportional to 199,372.80, 299,145.60 and 94,137.60

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Solution

The fourth proportional to 199,372.80, 299,145.60 and 94,137.60 is: 141,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,372.80 : 299,145.60 = 94,137.60 : x
  2. Step 2: Convert to fraction form
    199,372.80/299,145.60 = 94,137.60/x
  3. Step 3: Cross multiply
    199,372.80x = 299,145.60 × 94,137.60
  4. Step 4: Simplify right side
    199,372.80x = 28,160,848,834.56
  5. Step 5: Solve for x
    x = 28,160,848,834.56/199,372.80
  6. Step 6: Final answer
    x = 141,247.20

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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.