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Finding the Fourth Proportional to 104,365.86, 156,561.21 and 33,263.84

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Solution

The fourth proportional to 104,365.86, 156,561.21 and 33,263.84 is: 49,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,365.86 : 156,561.21 = 33,263.84 : x
  2. Step 2: Convert to fraction form
    104,365.86/156,561.21 = 33,263.84/x
  3. Step 3: Cross multiply
    104,365.86x = 156,561.21 × 33,263.84
  4. Step 4: Simplify right side
    104,365.86x = 5,207,826,256.84
  5. Step 5: Solve for x
    x = 5,207,826,256.84/104,365.86
  6. Step 6: Final answer
    x = 49,899.71

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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.