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Finding the Fourth Proportional to 202,244.20, 303,615.90 and 127,364.20

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Solution

The fourth proportional to 202,244.20, 303,615.90 and 127,364.20 is: 191,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,244.20 : 303,615.90 = 127,364.20 : x
  2. Step 2: Convert to fraction form
    202,244.20/303,615.90 = 127,364.20/x
  3. Step 3: Cross multiply
    202,244.20x = 303,615.90 × 127,364.20
  4. Step 4: Simplify right side
    202,244.20x = 38,669,796,210.78
  5. Step 5: Solve for x
    x = 38,669,796,210.78/202,244.20
  6. Step 6: Final answer
    x = 191,203.49

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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.