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Finding the Fourth Proportional to 202,291.08, 303,413.04 and 127,189.56

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Solution

The fourth proportional to 202,291.08, 303,413.04 and 127,189.56 is: 190,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.08 : 303,413.04 = 127,189.56 : x
  2. Step 2: Convert to fraction form
    202,291.08/303,413.04 = 127,189.56/x
  3. Step 3: Cross multiply
    202,291.08x = 303,413.04 × 127,189.56
  4. Step 4: Simplify right side
    202,291.08x = 38,590,971,055.86
  5. Step 5: Solve for x
    x = 38,590,971,055.86/202,291.08
  6. Step 6: Final answer
    x = 190,769.51

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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.