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Finding the Fourth Proportional to 222,072, 333,165.60 and 79,912.32

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Solution

The fourth proportional to 222,072, 333,165.60 and 79,912.32 is: 119,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,072 : 333,165.60 = 79,912.32 : x
  2. Step 2: Convert to fraction form
    222,072/333,165.60 = 79,912.32/x
  3. Step 3: Cross multiply
    222,072x = 333,165.60 × 79,912.32
  4. Step 4: Simplify right side
    222,072x = 26,624,036,040.19
  5. Step 5: Solve for x
    x = 26,624,036,040.19/222,072
  6. Step 6: Final answer
    x = 119,889.21

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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.