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Finding the Fourth Proportional to 75,652.74, 104,384.94 and 43,819.74

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Solution

The fourth proportional to 75,652.74, 104,384.94 and 43,819.74 is: 60,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,652.74 : 104,384.94 = 43,819.74 : x
  2. Step 2: Convert to fraction form
    75,652.74/104,384.94 = 43,819.74/x
  3. Step 3: Cross multiply
    75,652.74x = 104,384.94 × 43,819.74
  4. Step 4: Simplify right side
    75,652.74x = 4,574,120,930.72
  5. Step 5: Solve for x
    x = 4,574,120,930.72/75,652.74
  6. Step 6: Final answer
    x = 60,462.07

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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.