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Finding the Fourth Proportional to 202,053.10, 303,116.10 and 101,961.40

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Solution

The fourth proportional to 202,053.10, 303,116.10 and 101,961.40 is: 152,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.10 : 303,116.10 = 101,961.40 : x
  2. Step 2: Convert to fraction form
    202,053.10/303,116.10 = 101,961.40/x
  3. Step 3: Cross multiply
    202,053.10x = 303,116.10 × 101,961.40
  4. Step 4: Simplify right side
    202,053.10x = 30,906,141,918.54
  5. Step 5: Solve for x
    x = 30,906,141,918.54/202,053.10
  6. Step 6: Final answer
    x = 152,960.49

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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.