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Finding the Fourth Proportional to 237,893.40, 356,821.56 and 88,063.20

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Solution

The fourth proportional to 237,893.40, 356,821.56 and 88,063.20 is: 132,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,893.40 : 356,821.56 = 88,063.20 : x
  2. Step 2: Convert to fraction form
    237,893.40/356,821.56 = 88,063.20/x
  3. Step 3: Cross multiply
    237,893.40x = 356,821.56 × 88,063.20
  4. Step 4: Simplify right side
    237,893.40x = 31,422,848,402.59
  5. Step 5: Solve for x
    x = 31,422,848,402.59/237,893.40
  6. Step 6: Final answer
    x = 132,087.94

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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.