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Finding the Fourth Proportional to 88,537.82, 132,819.80 and 31,607.31

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Solution

The fourth proportional to 88,537.82, 132,819.80 and 31,607.31 is: 47,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,537.82 : 132,819.80 = 31,607.31 : x
  2. Step 2: Convert to fraction form
    88,537.82/132,819.80 = 31,607.31/x
  3. Step 3: Cross multiply
    88,537.82x = 132,819.80 × 31,607.31
  4. Step 4: Simplify right side
    88,537.82x = 4,198,076,592.74
  5. Step 5: Solve for x
    x = 4,198,076,592.74/88,537.82
  6. Step 6: Final answer
    x = 47,415.63

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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.