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Finding the Fourth Proportional to 73,148.70, 100,953.41 and 41,319.64

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Solution

The fourth proportional to 73,148.70, 100,953.41 and 41,319.64 is: 57,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.70 : 100,953.41 = 41,319.64 : x
  2. Step 2: Convert to fraction form
    73,148.70/100,953.41 = 41,319.64/x
  3. Step 3: Cross multiply
    73,148.70x = 100,953.41 × 41,319.64
  4. Step 4: Simplify right side
    73,148.70x = 4,171,359,110.13
  5. Step 5: Solve for x
    x = 4,171,359,110.13/73,148.70
  6. Step 6: Final answer
    x = 57,025.75

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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.