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Finding the Fourth Proportional to 147,362.03, 203,359.60 and 80,294.03

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Solution

The fourth proportional to 147,362.03, 203,359.60 and 80,294.03 is: 110,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,362.03 : 203,359.60 = 80,294.03 : x
  2. Step 2: Convert to fraction form
    147,362.03/203,359.60 = 80,294.03/x
  3. Step 3: Cross multiply
    147,362.03x = 203,359.60 × 80,294.03
  4. Step 4: Simplify right side
    147,362.03x = 16,328,561,669.36
  5. Step 5: Solve for x
    x = 16,328,561,669.36/147,362.03
  6. Step 6: Final answer
    x = 110,805.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.