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Finding the Fourth Proportional to 192,893.10, 289,339.65 and 122,034.30

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Solution

The fourth proportional to 192,893.10, 289,339.65 and 122,034.30 is: 183,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.10 : 289,339.65 = 122,034.30 : x
  2. Step 2: Convert to fraction form
    192,893.10/289,339.65 = 122,034.30/x
  3. Step 3: Cross multiply
    192,893.10x = 289,339.65 × 122,034.30
  4. Step 4: Simplify right side
    192,893.10x = 35,309,361,650.00
  5. Step 5: Solve for x
    x = 35,309,361,650.00/192,893.10
  6. Step 6: Final answer
    x = 183,051.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.