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Finding the Fourth Proportional to 150,201.86, 207,264.39 and 89,760.47

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Solution

The fourth proportional to 150,201.86, 207,264.39 and 89,760.47 is: 123,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,201.86 : 207,264.39 = 89,760.47 : x
  2. Step 2: Convert to fraction form
    150,201.86/207,264.39 = 89,760.47/x
  3. Step 3: Cross multiply
    150,201.86x = 207,264.39 × 89,760.47
  4. Step 4: Simplify right side
    150,201.86x = 18,604,149,060.66
  5. Step 5: Solve for x
    x = 18,604,149,060.66/150,201.86
  6. Step 6: Final answer
    x = 123,860.98

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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.