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Finding the Fourth Proportional to 108,367.36, 149,559.36 and 60,632.80

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Solution

The fourth proportional to 108,367.36, 149,559.36 and 60,632.80 is: 83,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,367.36 : 149,559.36 = 60,632.80 : x
  2. Step 2: Convert to fraction form
    108,367.36/149,559.36 = 60,632.80/x
  3. Step 3: Cross multiply
    108,367.36x = 149,559.36 × 60,632.80
  4. Step 4: Simplify right side
    108,367.36x = 9,068,202,763.01
  5. Step 5: Solve for x
    x = 9,068,202,763.01/108,367.36
  6. Step 6: Final answer
    x = 83,680.20

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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.