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Finding the Fourth Proportional to 150,462.77, 207,640.94 and 90,035.96

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Solution

The fourth proportional to 150,462.77, 207,640.94 and 90,035.96 is: 124,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,462.77 : 207,640.94 = 90,035.96 : x
  2. Step 2: Convert to fraction form
    150,462.77/207,640.94 = 90,035.96/x
  3. Step 3: Cross multiply
    150,462.77x = 207,640.94 × 90,035.96
  4. Step 4: Simplify right side
    150,462.77x = 18,695,149,879.82
  5. Step 5: Solve for x
    x = 18,695,149,879.82/150,462.77
  6. Step 6: Final answer
    x = 124,251.01

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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.