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Finding the Fourth Proportional to 106,734, 147,295.86 and 58,990.44

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Solution

The fourth proportional to 106,734, 147,295.86 and 58,990.44 is: 81,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,734 : 147,295.86 = 58,990.44 : x
  2. Step 2: Convert to fraction form
    106,734/147,295.86 = 58,990.44/x
  3. Step 3: Cross multiply
    106,734x = 147,295.86 × 58,990.44
  4. Step 4: Simplify right side
    106,734x = 8,689,047,591.58
  5. Step 5: Solve for x
    x = 8,689,047,591.58/106,734
  6. Step 6: Final answer
    x = 81,408.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.