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Finding the Fourth Proportional to 80,404.40, 110,956.56 and 44,106

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Solution

The fourth proportional to 80,404.40, 110,956.56 and 44,106 is: 60,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,404.40 : 110,956.56 = 44,106 : x
  2. Step 2: Convert to fraction form
    80,404.40/110,956.56 = 44,106/x
  3. Step 3: Cross multiply
    80,404.40x = 110,956.56 × 44,106
  4. Step 4: Simplify right side
    80,404.40x = 4,893,850,035.36
  5. Step 5: Solve for x
    x = 4,893,850,035.36/80,404.40
  6. Step 6: Final answer
    x = 60,865.45

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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.