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Finding the Fourth Proportional to 118,610.98, 177,888.52 and 43,690.44

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Solution

The fourth proportional to 118,610.98, 177,888.52 and 43,690.44 is: 65,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,610.98 : 177,888.52 = 43,690.44 : x
  2. Step 2: Convert to fraction form
    118,610.98/177,888.52 = 43,690.44/x
  3. Step 3: Cross multiply
    118,610.98x = 177,888.52 × 43,690.44
  4. Step 4: Simplify right side
    118,610.98x = 7,772,027,709.75
  5. Step 5: Solve for x
    x = 7,772,027,709.75/118,610.98
  6. Step 6: Final answer
    x = 65,525.36

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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.