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Finding the Fourth Proportional to 202,045.40, 303,170.46 and 134,623.52

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Solution

The fourth proportional to 202,045.40, 303,170.46 and 134,623.52 is: 202,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,045.40 : 303,170.46 = 134,623.52 : x
  2. Step 2: Convert to fraction form
    202,045.40/303,170.46 = 134,623.52/x
  3. Step 3: Cross multiply
    202,045.40x = 303,170.46 × 134,623.52
  4. Step 4: Simplify right side
    202,045.40x = 40,813,874,485.22
  5. Step 5: Solve for x
    x = 40,813,874,485.22/202,045.40
  6. Step 6: Final answer
    x = 202,003.48

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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.