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Finding the Fourth Proportional to 222,904.88, 307,608.70 and 127,413.62

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Solution

The fourth proportional to 222,904.88, 307,608.70 and 127,413.62 is: 175,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,904.88 : 307,608.70 = 127,413.62 : x
  2. Step 2: Convert to fraction form
    222,904.88/307,608.70 = 127,413.62/x
  3. Step 3: Cross multiply
    222,904.88x = 307,608.70 × 127,413.62
  4. Step 4: Simplify right side
    222,904.88x = 39,193,538,460.98
  5. Step 5: Solve for x
    x = 39,193,538,460.98/222,904.88
  6. Step 6: Final answer
    x = 175,830.78

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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.