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Finding the Fourth Proportional to 192,611.33, 265,802.19 and 107,728.39

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Solution

The fourth proportional to 192,611.33, 265,802.19 and 107,728.39 is: 148,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,611.33 : 265,802.19 = 107,728.39 : x
  2. Step 2: Convert to fraction form
    192,611.33/265,802.19 = 107,728.39/x
  3. Step 3: Cross multiply
    192,611.33x = 265,802.19 × 107,728.39
  4. Step 4: Simplify right side
    192,611.33x = 28,634,442,651.68
  5. Step 5: Solve for x
    x = 28,634,442,651.68/192,611.33
  6. Step 6: Final answer
    x = 148,664.37

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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.