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Finding the Fourth Proportional to 147,160, 203,080.80 and 80,092.48

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Solution

The fourth proportional to 147,160, 203,080.80 and 80,092.48 is: 110,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,160 : 203,080.80 = 80,092.48 : x
  2. Step 2: Convert to fraction form
    147,160/203,080.80 = 80,092.48/x
  3. Step 3: Cross multiply
    147,160x = 203,080.80 × 80,092.48
  4. Step 4: Simplify right side
    147,160x = 16,265,244,912.38
  5. Step 5: Solve for x
    x = 16,265,244,912.38/147,160
  6. Step 6: Final answer
    x = 110,527.62

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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.