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Finding the Fourth Proportional to 192,450.70, 265,573.60 and 105,234.20

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Solution

The fourth proportional to 192,450.70, 265,573.60 and 105,234.20 is: 145,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,450.70 : 265,573.60 = 105,234.20 : x
  2. Step 2: Convert to fraction form
    192,450.70/265,573.60 = 105,234.20/x
  3. Step 3: Cross multiply
    192,450.70x = 265,573.60 × 105,234.20
  4. Step 4: Simplify right side
    192,450.70x = 27,947,425,337.12
  5. Step 5: Solve for x
    x = 27,947,425,337.12/192,450.70
  6. Step 6: Final answer
    x = 145,218.62

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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.