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Finding the Fourth Proportional to 192,605.80, 265,794.48 and 107,722.80

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Solution

The fourth proportional to 192,605.80, 265,794.48 and 107,722.80 is: 148,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,605.80 : 265,794.48 = 107,722.80 : x
  2. Step 2: Convert to fraction form
    192,605.80/265,794.48 = 107,722.80/x
  3. Step 3: Cross multiply
    192,605.80x = 265,794.48 × 107,722.80
  4. Step 4: Simplify right side
    192,605.80x = 28,632,125,610.14
  5. Step 5: Solve for x
    x = 28,632,125,610.14/192,605.80
  6. Step 6: Final answer
    x = 148,656.61

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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.