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Finding the Fourth Proportional to 102,487.40, 153,735.21 and 32,366.73

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Solution

The fourth proportional to 102,487.40, 153,735.21 and 32,366.73 is: 48,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,487.40 : 153,735.21 = 32,366.73 : x
  2. Step 2: Convert to fraction form
    102,487.40/153,735.21 = 32,366.73/x
  3. Step 3: Cross multiply
    102,487.40x = 153,735.21 × 32,366.73
  4. Step 4: Simplify right side
    102,487.40x = 4,975,906,033.56
  5. Step 5: Solve for x
    x = 4,975,906,033.56/102,487.40
  6. Step 6: Final answer
    x = 48,551.40

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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.