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Finding the Fourth Proportional to 104,516.56, 156,769.62 and 25,626.52

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Solution

The fourth proportional to 104,516.56, 156,769.62 and 25,626.52 is: 38,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,516.56 : 156,769.62 = 25,626.52 : x
  2. Step 2: Convert to fraction form
    104,516.56/156,769.62 = 25,626.52/x
  3. Step 3: Cross multiply
    104,516.56x = 156,769.62 × 25,626.52
  4. Step 4: Simplify right side
    104,516.56x = 4,017,459,802.32
  5. Step 5: Solve for x
    x = 4,017,459,802.32/104,516.56
  6. Step 6: Final answer
    x = 38,438.50

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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.