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Finding the Fourth Proportional to 207,125.58, 285,830.56 and 116,481.52

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Solution

The fourth proportional to 207,125.58, 285,830.56 and 116,481.52 is: 160,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,125.58 : 285,830.56 = 116,481.52 : x
  2. Step 2: Convert to fraction form
    207,125.58/285,830.56 = 116,481.52/x
  3. Step 3: Cross multiply
    207,125.58x = 285,830.56 × 116,481.52
  4. Step 4: Simplify right side
    207,125.58x = 33,293,978,091.25
  5. Step 5: Solve for x
    x = 33,293,978,091.25/207,125.58
  6. Step 6: Final answer
    x = 160,742.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.