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Finding the Fourth Proportional to 104,168.98, 156,461.03 and 98,293.80

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Solution

The fourth proportional to 104,168.98, 156,461.03 and 98,293.80 is: 147,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.98 : 156,461.03 = 98,293.80 : x
  2. Step 2: Convert to fraction form
    104,168.98/156,461.03 = 98,293.80/x
  3. Step 3: Cross multiply
    104,168.98x = 156,461.03 × 98,293.80
  4. Step 4: Simplify right side
    104,168.98x = 15,379,149,190.61
  5. Step 5: Solve for x
    x = 15,379,149,190.61/104,168.98
  6. Step 6: Final answer
    x = 147,636.55

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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.