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Finding the Fourth Proportional to 104,503.86, 156,722.67 and 34,366.90

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Solution

The fourth proportional to 104,503.86, 156,722.67 and 34,366.90 is: 51,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,503.86 : 156,722.67 = 34,366.90 : x
  2. Step 2: Convert to fraction form
    104,503.86/156,722.67 = 34,366.90/x
  3. Step 3: Cross multiply
    104,503.86x = 156,722.67 × 34,366.90
  4. Step 4: Simplify right side
    104,503.86x = 5,386,072,327.62
  5. Step 5: Solve for x
    x = 5,386,072,327.62/104,503.86
  6. Step 6: Final answer
    x = 51,539.46

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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.