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Finding the Fourth Proportional to 192,611.08, 265,801.85 and 107,728.14

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Solution

The fourth proportional to 192,611.08, 265,801.85 and 107,728.14 is: 148,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,611.08 : 265,801.85 = 107,728.14 : x
  2. Step 2: Convert to fraction form
    192,611.08/265,801.85 = 107,728.14/x
  3. Step 3: Cross multiply
    192,611.08x = 265,801.85 × 107,728.14
  4. Step 4: Simplify right side
    192,611.08x = 28,634,339,034.92
  5. Step 5: Solve for x
    x = 28,634,339,034.92/192,611.08
  6. Step 6: Final answer
    x = 148,664.03

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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.