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Finding the Fourth Proportional to 150,449.28, 207,553.20 and 96,724.32

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Solution

The fourth proportional to 150,449.28, 207,553.20 and 96,724.32 is: 133,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,449.28 : 207,553.20 = 96,724.32 : x
  2. Step 2: Convert to fraction form
    150,449.28/207,553.20 = 96,724.32/x
  3. Step 3: Cross multiply
    150,449.28x = 207,553.20 × 96,724.32
  4. Step 4: Simplify right side
    150,449.28x = 20,075,442,133.82
  5. Step 5: Solve for x
    x = 20,075,442,133.82/150,449.28
  6. Step 6: Final answer
    x = 133,436.61

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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.