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Finding the Fourth Proportional to 75,472.74, 113,188.86 and 35,951.22

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Solution

The fourth proportional to 75,472.74, 113,188.86 and 35,951.22 is: 53,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,472.74 : 113,188.86 = 35,951.22 : x
  2. Step 2: Convert to fraction form
    75,472.74/113,188.86 = 35,951.22/x
  3. Step 3: Cross multiply
    75,472.74x = 113,188.86 × 35,951.22
  4. Step 4: Simplify right side
    75,472.74x = 4,069,277,607.41
  5. Step 5: Solve for x
    x = 4,069,277,607.41/75,472.74
  6. Step 6: Final answer
    x = 53,917.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.