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Finding the Fourth Proportional to 137,437.58, 205,961.97 and 58,472.30

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Solution

The fourth proportional to 137,437.58, 205,961.97 and 58,472.30 is: 87,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,437.58 : 205,961.97 = 58,472.30 : x
  2. Step 2: Convert to fraction form
    137,437.58/205,961.97 = 58,472.30/x
  3. Step 3: Cross multiply
    137,437.58x = 205,961.97 × 58,472.30
  4. Step 4: Simplify right side
    137,437.58x = 12,043,070,098.43
  5. Step 5: Solve for x
    x = 12,043,070,098.43/137,437.58
  6. Step 6: Final answer
    x = 87,625.74

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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.