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Finding the Fourth Proportional to 150,649.54, 207,993.75 and 93,349.66

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Solution

The fourth proportional to 150,649.54, 207,993.75 and 93,349.66 is: 128,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,649.54 : 207,993.75 = 93,349.66 : x
  2. Step 2: Convert to fraction form
    150,649.54/207,993.75 = 93,349.66/x
  3. Step 3: Cross multiply
    150,649.54x = 207,993.75 × 93,349.66
  4. Step 4: Simplify right side
    150,649.54x = 19,416,145,377.88
  5. Step 5: Solve for x
    x = 19,416,145,377.88/150,649.54
  6. Step 6: Final answer
    x = 128,882.88

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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.