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Finding the Fourth Proportional to 115,516.89, 173,296.93 and 36,609.93

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Solution

The fourth proportional to 115,516.89, 173,296.93 and 36,609.93 is: 54,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,516.89 : 173,296.93 = 36,609.93 : x
  2. Step 2: Convert to fraction form
    115,516.89/173,296.93 = 36,609.93/x
  3. Step 3: Cross multiply
    115,516.89x = 173,296.93 × 36,609.93
  4. Step 4: Simplify right side
    115,516.89x = 6,344,388,476.51
  5. Step 5: Solve for x
    x = 6,344,388,476.51/115,516.89
  6. Step 6: Final answer
    x = 54,921.74

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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.