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Finding the Fourth Proportional to 115,395.32, 173,099.28 and 36,503.68

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Solution

The fourth proportional to 115,395.32, 173,099.28 and 36,503.68 is: 54,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,395.32 : 173,099.28 = 36,503.68 : x
  2. Step 2: Convert to fraction form
    115,395.32/173,099.28 = 36,503.68/x
  3. Step 3: Cross multiply
    115,395.32x = 173,099.28 × 36,503.68
  4. Step 4: Simplify right side
    115,395.32x = 6,318,760,725.35
  5. Step 5: Solve for x
    x = 6,318,760,725.35/115,395.32
  6. Step 6: Final answer
    x = 54,757.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.