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Finding the Fourth Proportional to 104,486.90, 156,756.87 and 48,367.49

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Solution

The fourth proportional to 104,486.90, 156,756.87 and 48,367.49 is: 72,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.90 : 156,756.87 = 48,367.49 : x
  2. Step 2: Convert to fraction form
    104,486.90/156,756.87 = 48,367.49/x
  3. Step 3: Cross multiply
    104,486.90x = 156,756.87 × 48,367.49
  4. Step 4: Simplify right side
    104,486.90x = 7,581,935,558.37
  5. Step 5: Solve for x
    x = 7,581,935,558.37/104,486.90
  6. Step 6: Final answer
    x = 72,563.51

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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.