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Finding the Fourth Proportional to 222,351.75, 333,562.19 and 74,642.31

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Solution

The fourth proportional to 222,351.75, 333,562.19 and 74,642.31 is: 111,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,351.75 : 333,562.19 = 74,642.31 : x
  2. Step 2: Convert to fraction form
    222,351.75/333,562.19 = 74,642.31/x
  3. Step 3: Cross multiply
    222,351.75x = 333,562.19 × 74,642.31
  4. Step 4: Simplify right side
    222,351.75x = 24,897,852,017.05
  5. Step 5: Solve for x
    x = 24,897,852,017.05/222,351.75
  6. Step 6: Final answer
    x = 111,975.07

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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.