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Finding the Fourth Proportional to 192,654.26, 265,853.45 and 106,611.71

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Solution

The fourth proportional to 192,654.26, 265,853.45 and 106,611.71 is: 147,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.26 : 265,853.45 = 106,611.71 : x
  2. Step 2: Convert to fraction form
    192,654.26/265,853.45 = 106,611.71/x
  3. Step 3: Cross multiply
    192,654.26x = 265,853.45 × 106,611.71
  4. Step 4: Simplify right side
    192,654.26x = 28,343,089,851.16
  5. Step 5: Solve for x
    x = 28,343,089,851.16/192,654.26
  6. Step 6: Final answer
    x = 147,118.94

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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.