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Finding the Fourth Proportional to 115,622.51, 173,462.85 and 32,516.51

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Solution

The fourth proportional to 115,622.51, 173,462.85 and 32,516.51 is: 48,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622.51 : 173,462.85 = 32,516.51 : x
  2. Step 2: Convert to fraction form
    115,622.51/173,462.85 = 32,516.51/x
  3. Step 3: Cross multiply
    115,622.51x = 173,462.85 × 32,516.51
  4. Step 4: Simplify right side
    115,622.51x = 5,640,405,629.34
  5. Step 5: Solve for x
    x = 5,640,405,629.34/115,622.51
  6. Step 6: Final answer
    x = 48,782.94

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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.