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Finding the Fourth Proportional to 157,755.89, 236,493.50 and 57,893.22

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Solution

The fourth proportional to 157,755.89, 236,493.50 and 57,893.22 is: 86,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,755.89 : 236,493.50 = 57,893.22 : x
  2. Step 2: Convert to fraction form
    157,755.89/236,493.50 = 57,893.22/x
  3. Step 3: Cross multiply
    157,755.89x = 236,493.50 × 57,893.22
  4. Step 4: Simplify right side
    157,755.89x = 13,691,369,934.60
  5. Step 5: Solve for x
    x = 13,691,369,934.60/157,755.89
  6. Step 6: Final answer
    x = 86,788.33

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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.