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Finding the Fourth Proportional to 104,559.37, 156,750.87 and 45,350.46

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Solution

The fourth proportional to 104,559.37, 156,750.87 and 45,350.46 is: 67,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.37 : 156,750.87 = 45,350.46 : x
  2. Step 2: Convert to fraction form
    104,559.37/156,750.87 = 45,350.46/x
  3. Step 3: Cross multiply
    104,559.37x = 156,750.87 × 45,350.46
  4. Step 4: Simplify right side
    104,559.37x = 7,108,724,059.90
  5. Step 5: Solve for x
    x = 7,108,724,059.90/104,559.37
  6. Step 6: Final answer
    x = 67,987.44

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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.