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Finding the Fourth Proportional to 147,793.45, 220,880.38 and 107,896.47

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Solution

The fourth proportional to 147,793.45, 220,880.38 and 107,896.47 is: 161,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,793.45 : 220,880.38 = 107,896.47 : x
  2. Step 2: Convert to fraction form
    147,793.45/220,880.38 = 107,896.47/x
  3. Step 3: Cross multiply
    147,793.45x = 220,880.38 × 107,896.47
  4. Step 4: Simplify right side
    147,793.45x = 23,832,213,294.26
  5. Step 5: Solve for x
    x = 23,832,213,294.26/147,793.45
  6. Step 6: Final answer
    x = 161,253.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.