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Finding the Fourth Proportional to 80,347.47, 110,872.55 and 45,892.03

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Solution

The fourth proportional to 80,347.47, 110,872.55 and 45,892.03 is: 63,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.47 : 110,872.55 = 45,892.03 : x
  2. Step 2: Convert to fraction form
    80,347.47/110,872.55 = 45,892.03/x
  3. Step 3: Cross multiply
    80,347.47x = 110,872.55 × 45,892.03
  4. Step 4: Simplify right side
    80,347.47x = 5,088,166,333.98
  5. Step 5: Solve for x
    x = 5,088,166,333.98/80,347.47
  6. Step 6: Final answer
    x = 63,327.03

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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.