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Finding the Fourth Proportional to 104,609.24, 156,912.48 and 25,724.15

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Solution

The fourth proportional to 104,609.24, 156,912.48 and 25,724.15 is: 38,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.24 : 156,912.48 = 25,724.15 : x
  2. Step 2: Convert to fraction form
    104,609.24/156,912.48 = 25,724.15/x
  3. Step 3: Cross multiply
    104,609.24x = 156,912.48 × 25,724.15
  4. Step 4: Simplify right side
    104,609.24x = 4,036,440,172.39
  5. Step 5: Solve for x
    x = 4,036,440,172.39/104,609.24
  6. Step 6: Final answer
    x = 38,585.89

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1.5x scale

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.