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Finding the Fourth Proportional to 104,609.37, 156,912.67 and 25,724.28

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Solution

The fourth proportional to 104,609.37, 156,912.67 and 25,724.28 is: 38,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.37 : 156,912.67 = 25,724.28 : x
  2. Step 2: Convert to fraction form
    104,609.37/156,912.67 = 25,724.28/x
  3. Step 3: Cross multiply
    104,609.37x = 156,912.67 × 25,724.28
  4. Step 4: Simplify right side
    104,609.37x = 4,036,465,458.63
  5. Step 5: Solve for x
    x = 4,036,465,458.63/104,609.37
  6. Step 6: Final answer
    x = 38,586.08

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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.