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Finding the Fourth Proportional to 150,245.57, 207,479.36 and 96,623.69

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Solution

The fourth proportional to 150,245.57, 207,479.36 and 96,623.69 is: 133,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,245.57 : 207,479.36 = 96,623.69 : x
  2. Step 2: Convert to fraction form
    150,245.57/207,479.36 = 96,623.69/x
  3. Step 3: Cross multiply
    150,245.57x = 207,479.36 × 96,623.69
  4. Step 4: Simplify right side
    150,245.57x = 20,047,421,362.04
  5. Step 5: Solve for x
    x = 20,047,421,362.04/150,245.57
  6. Step 6: Final answer
    x = 133,431.03

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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.