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Finding the Fourth Proportional to 115,405.44, 173,081.43 and 36,504.96

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Solution

The fourth proportional to 115,405.44, 173,081.43 and 36,504.96 is: 54,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,405.44 : 173,081.43 = 36,504.96 : x
  2. Step 2: Convert to fraction form
    115,405.44/173,081.43 = 36,504.96/x
  3. Step 3: Cross multiply
    115,405.44x = 173,081.43 × 36,504.96
  4. Step 4: Simplify right side
    115,405.44x = 6,318,330,678.89
  5. Step 5: Solve for x
    x = 6,318,330,678.89/115,405.44
  6. Step 6: Final answer
    x = 54,748.98

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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.