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Finding the Fourth Proportional to 192,407.90, 265,350.98 and 120,794.60

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Solution

The fourth proportional to 192,407.90, 265,350.98 and 120,794.60 is: 166,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,407.90 : 265,350.98 = 120,794.60 : x
  2. Step 2: Convert to fraction form
    192,407.90/265,350.98 = 120,794.60/x
  3. Step 3: Cross multiply
    192,407.90x = 265,350.98 × 120,794.60
  4. Step 4: Simplify right side
    192,407.90x = 32,052,965,488.71
  5. Step 5: Solve for x
    x = 32,052,965,488.71/192,407.90
  6. Step 6: Final answer
    x = 166,588.61

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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.