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Finding the Fourth Proportional to 159,867.69, 220,683.11 and 109,048.17

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Solution

The fourth proportional to 159,867.69, 220,683.11 and 109,048.17 is: 150,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,867.69 : 220,683.11 = 109,048.17 : x
  2. Step 2: Convert to fraction form
    159,867.69/220,683.11 = 109,048.17/x
  3. Step 3: Cross multiply
    159,867.69x = 220,683.11 × 109,048.17
  4. Step 4: Simplify right side
    159,867.69x = 24,065,089,295.41
  5. Step 5: Solve for x
    x = 24,065,089,295.41/159,867.69
  6. Step 6: Final answer
    x = 150,531.29

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1.5x scale

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.