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Finding the Fourth Proportional to 264,659.87, 396,989.81 and 96,148.79

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Solution

The fourth proportional to 264,659.87, 396,989.81 and 96,148.79 is: 144,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,659.87 : 396,989.81 = 96,148.79 : x
  2. Step 2: Convert to fraction form
    264,659.87/396,989.81 = 96,148.79/x
  3. Step 3: Cross multiply
    264,659.87x = 396,989.81 × 96,148.79
  4. Step 4: Simplify right side
    264,659.87x = 38,170,089,257.41
  5. Step 5: Solve for x
    x = 38,170,089,257.41/264,659.87
  6. Step 6: Final answer
    x = 144,223.18

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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.