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Finding the Fourth Proportional to 150,594.39, 207,804.86 and 90,163.46

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Solution

The fourth proportional to 150,594.39, 207,804.86 and 90,163.46 is: 124,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,594.39 : 207,804.86 = 90,163.46 : x
  2. Step 2: Convert to fraction form
    150,594.39/207,804.86 = 90,163.46/x
  3. Step 3: Cross multiply
    150,594.39x = 207,804.86 × 90,163.46
  4. Step 4: Simplify right side
    150,594.39x = 18,736,405,589.22
  5. Step 5: Solve for x
    x = 18,736,405,589.22/150,594.39
  6. Step 6: Final answer
    x = 124,416.36

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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.