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Finding the Fourth Proportional to 235,321.77, 352,979.60 and 57,830.34

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Solution

The fourth proportional to 235,321.77, 352,979.60 and 57,830.34 is: 86,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,321.77 : 352,979.60 = 57,830.34 : x
  2. Step 2: Convert to fraction form
    235,321.77/352,979.60 = 57,830.34/x
  3. Step 3: Cross multiply
    235,321.77x = 352,979.60 × 57,830.34
  4. Step 4: Simplify right side
    235,321.77x = 20,412,929,991.91
  5. Step 5: Solve for x
    x = 20,412,929,991.91/235,321.77
  6. Step 6: Final answer
    x = 86,744.76

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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.