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Finding the Fourth Proportional to 236,993.44, 355,508.88 and 79,222.72

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Solution

The fourth proportional to 236,993.44, 355,508.88 and 79,222.72 is: 118,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,993.44 : 355,508.88 = 79,222.72 : x
  2. Step 2: Convert to fraction form
    236,993.44/355,508.88 = 79,222.72/x
  3. Step 3: Cross multiply
    236,993.44x = 355,508.88 × 79,222.72
  4. Step 4: Simplify right side
    236,993.44x = 28,164,380,457.75
  5. Step 5: Solve for x
    x = 28,164,380,457.75/236,993.44
  6. Step 6: Final answer
    x = 118,840.34

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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.