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Finding the Fourth Proportional to 104,357.34, 156,503.16 and 34,220.34

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Solution

The fourth proportional to 104,357.34, 156,503.16 and 34,220.34 is: 51,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,357.34 : 156,503.16 = 34,220.34 : x
  2. Step 2: Convert to fraction form
    104,357.34/156,503.16 = 34,220.34/x
  3. Step 3: Cross multiply
    104,357.34x = 156,503.16 × 34,220.34
  4. Step 4: Simplify right side
    104,357.34x = 5,355,591,346.27
  5. Step 5: Solve for x
    x = 5,355,591,346.27/104,357.34
  6. Step 6: Final answer
    x = 51,319.74

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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.