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Finding the Fourth Proportional to 202,192.32, 303,222.72 and 67,220.16

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Solution

The fourth proportional to 202,192.32, 303,222.72 and 67,220.16 is: 100,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.32 : 303,222.72 = 67,220.16 : x
  2. Step 2: Convert to fraction form
    202,192.32/303,222.72 = 67,220.16/x
  3. Step 3: Cross multiply
    202,192.32x = 303,222.72 × 67,220.16
  4. Step 4: Simplify right side
    202,192.32x = 20,382,679,754.04
  5. Step 5: Solve for x
    x = 20,382,679,754.04/202,192.32
  6. Step 6: Final answer
    x = 100,808.38

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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.