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Finding the Fourth Proportional to 222,713.10, 333,413.55 and 147,917.70

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Solution

The fourth proportional to 222,713.10, 333,413.55 and 147,917.70 is: 221,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,713.10 : 333,413.55 = 147,917.70 : x
  2. Step 2: Convert to fraction form
    222,713.10/333,413.55 = 147,917.70/x
  3. Step 3: Cross multiply
    222,713.10x = 333,413.55 × 147,917.70
  4. Step 4: Simplify right side
    222,713.10x = 49,317,765,464.84
  5. Step 5: Solve for x
    x = 49,317,765,464.84/222,713.10
  6. Step 6: Final answer
    x = 221,440.79

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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.