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Finding the Fourth Proportional to 120,022.82, 179,969.53 and 59,920.41

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Solution

The fourth proportional to 120,022.82, 179,969.53 and 59,920.41 is: 89,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022.82 : 179,969.53 = 59,920.41 : x
  2. Step 2: Convert to fraction form
    120,022.82/179,969.53 = 59,920.41/x
  3. Step 3: Cross multiply
    120,022.82x = 179,969.53 × 59,920.41
  4. Step 4: Simplify right side
    120,022.82x = 10,783,848,025.11
  5. Step 5: Solve for x
    x = 10,783,848,025.11/120,022.82
  6. Step 6: Final answer
    x = 89,848.31

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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.