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Finding the Fourth Proportional to 113,992.98, 170,992.39 and 54,007.41

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Solution

The fourth proportional to 113,992.98, 170,992.39 and 54,007.41 is: 81,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,992.98 : 170,992.39 = 54,007.41 : x
  2. Step 2: Convert to fraction form
    113,992.98/170,992.39 = 54,007.41/x
  3. Step 3: Cross multiply
    113,992.98x = 170,992.39 × 54,007.41
  4. Step 4: Simplify right side
    113,992.98x = 9,234,856,113.61
  5. Step 5: Solve for x
    x = 9,234,856,113.61/113,992.98
  6. Step 6: Final answer
    x = 81,012.50

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1.5x scale

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.