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Finding the Fourth Proportional to 150,649.65, 207,993.91 and 93,349.78

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Solution

The fourth proportional to 150,649.65, 207,993.91 and 93,349.78 is: 128,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,649.65 : 207,993.91 = 93,349.78 : x
  2. Step 2: Convert to fraction form
    150,649.65/207,993.91 = 93,349.78/x
  3. Step 3: Cross multiply
    150,649.65x = 207,993.91 × 93,349.78
  4. Step 4: Simplify right side
    150,649.65x = 19,416,186,399.03
  5. Step 5: Solve for x
    x = 19,416,186,399.03/150,649.65
  6. Step 6: Final answer
    x = 128,883.05

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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.