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Finding the Fourth Proportional to 113,235.48, 169,879.43 and 33,274.67

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Solution

The fourth proportional to 113,235.48, 169,879.43 and 33,274.67 is: 49,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,235.48 : 169,879.43 = 33,274.67 : x
  2. Step 2: Convert to fraction form
    113,235.48/169,879.43 = 33,274.67/x
  3. Step 3: Cross multiply
    113,235.48x = 169,879.43 × 33,274.67
  4. Step 4: Simplify right side
    113,235.48x = 5,652,681,206.83
  5. Step 5: Solve for x
    x = 5,652,681,206.83/113,235.48
  6. Step 6: Final answer
    x = 49,919.70

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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.