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Finding the Fourth Proportional to 199,126.60, 299,150.70 and 136,918.60

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Solution

The fourth proportional to 199,126.60, 299,150.70 and 136,918.60 is: 205,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,126.60 : 299,150.70 = 136,918.60 : x
  2. Step 2: Convert to fraction form
    199,126.60/299,150.70 = 136,918.60/x
  3. Step 3: Cross multiply
    199,126.60x = 299,150.70 × 136,918.60
  4. Step 4: Simplify right side
    199,126.60x = 40,959,295,033.02
  5. Step 5: Solve for x
    x = 40,959,295,033.02/199,126.60
  6. Step 6: Final answer
    x = 205,694.74

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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.