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Finding the Fourth Proportional to 103,305.16, 154,903.97 and 36,735.62

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Solution

The fourth proportional to 103,305.16, 154,903.97 and 36,735.62 is: 55,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,305.16 : 154,903.97 = 36,735.62 : x
  2. Step 2: Convert to fraction form
    103,305.16/154,903.97 = 36,735.62/x
  3. Step 3: Cross multiply
    103,305.16x = 154,903.97 × 36,735.62
  4. Step 4: Simplify right side
    103,305.16x = 5,690,493,378.41
  5. Step 5: Solve for x
    x = 5,690,493,378.41/103,305.16
  6. Step 6: Final answer
    x = 55,084.31

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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.