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Finding the Fourth Proportional to 235,349.82, 353,021.70 and 57,858.36

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Solution

The fourth proportional to 235,349.82, 353,021.70 and 57,858.36 is: 86,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,349.82 : 353,021.70 = 57,858.36 : x
  2. Step 2: Convert to fraction form
    235,349.82/353,021.70 = 57,858.36/x
  3. Step 3: Cross multiply
    235,349.82x = 353,021.70 × 57,858.36
  4. Step 4: Simplify right side
    235,349.82x = 20,425,256,606.41
  5. Step 5: Solve for x
    x = 20,425,256,606.41/235,349.82
  6. Step 6: Final answer
    x = 86,786.80

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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.