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Finding the Fourth Proportional to 104,169.98, 156,462.53 and 98,294.80

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Solution

The fourth proportional to 104,169.98, 156,462.53 and 98,294.80 is: 147,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.98 : 156,462.53 = 98,294.80 : x
  2. Step 2: Convert to fraction form
    104,169.98/156,462.53 = 98,294.80/x
  3. Step 3: Cross multiply
    104,169.98x = 156,462.53 × 98,294.80
  4. Step 4: Simplify right side
    104,169.98x = 15,379,453,093.84
  5. Step 5: Solve for x
    x = 15,379,453,093.84/104,169.98
  6. Step 6: Final answer
    x = 147,638.05

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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.