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Finding the Fourth Proportional to 202,754.20, 304,131.30 and 91,946.20

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Solution

The fourth proportional to 202,754.20, 304,131.30 and 91,946.20 is: 137,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,754.20 : 304,131.30 = 91,946.20 : x
  2. Step 2: Convert to fraction form
    202,754.20/304,131.30 = 91,946.20/x
  3. Step 3: Cross multiply
    202,754.20x = 304,131.30 × 91,946.20
  4. Step 4: Simplify right side
    202,754.20x = 27,963,717,336.06
  5. Step 5: Solve for x
    x = 27,963,717,336.06/202,754.20
  6. Step 6: Final answer
    x = 137,919.30

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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.