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Finding the Fourth Proportional to 223,570.14, 308,370.60 and 151,825.56

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Solution

The fourth proportional to 223,570.14, 308,370.60 and 151,825.56 is: 209,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,570.14 : 308,370.60 = 151,825.56 : x
  2. Step 2: Convert to fraction form
    223,570.14/308,370.60 = 151,825.56/x
  3. Step 3: Cross multiply
    223,570.14x = 308,370.60 × 151,825.56
  4. Step 4: Simplify right side
    223,570.14x = 46,818,539,032.54
  5. Step 5: Solve for x
    x = 46,818,539,032.54/223,570.14
  6. Step 6: Final answer
    x = 209,413.20

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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.