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Finding the Fourth Proportional to 104,059.56, 156,026.14 and 40,803.90

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Solution

The fourth proportional to 104,059.56, 156,026.14 and 40,803.90 is: 61,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.56 : 156,026.14 = 40,803.90 : x
  2. Step 2: Convert to fraction form
    104,059.56/156,026.14 = 40,803.90/x
  3. Step 3: Cross multiply
    104,059.56x = 156,026.14 × 40,803.90
  4. Step 4: Simplify right side
    104,059.56x = 6,366,474,911.94
  5. Step 5: Solve for x
    x = 6,366,474,911.94/104,059.56
  6. Step 6: Final answer
    x = 61,181.07

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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.