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Finding the Fourth Proportional to 238,684.34, 357,999.77 and 61,195.52

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Solution

The fourth proportional to 238,684.34, 357,999.77 and 61,195.52 is: 91,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,684.34 : 357,999.77 = 61,195.52 : x
  2. Step 2: Convert to fraction form
    238,684.34/357,999.77 = 61,195.52/x
  3. Step 3: Cross multiply
    238,684.34x = 357,999.77 × 61,195.52
  4. Step 4: Simplify right side
    238,684.34x = 21,907,979,989.05
  5. Step 5: Solve for x
    x = 21,907,979,989.05/238,684.34
  6. Step 6: Final answer
    x = 91,786.42

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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.