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Finding the Fourth Proportional to 104,599.46, 156,942.94 and 45,484.86

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Solution

The fourth proportional to 104,599.46, 156,942.94 and 45,484.86 is: 68,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,599.46 : 156,942.94 = 45,484.86 : x
  2. Step 2: Convert to fraction form
    104,599.46/156,942.94 = 45,484.86/x
  3. Step 3: Cross multiply
    104,599.46x = 156,942.94 × 45,484.86
  4. Step 4: Simplify right side
    104,599.46x = 7,138,527,653.89
  5. Step 5: Solve for x
    x = 7,138,527,653.89/104,599.46
  6. Step 6: Final answer
    x = 68,246.31

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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.