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Finding the Fourth Proportional to 202,570.80, 303,856.20 and 201,258.60

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Solution

The fourth proportional to 202,570.80, 303,856.20 and 201,258.60 is: 301,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,570.80 : 303,856.20 = 201,258.60 : x
  2. Step 2: Convert to fraction form
    202,570.80/303,856.20 = 201,258.60/x
  3. Step 3: Cross multiply
    202,570.80x = 303,856.20 × 201,258.60
  4. Step 4: Simplify right side
    202,570.80x = 61,153,673,413.32
  5. Step 5: Solve for x
    x = 61,153,673,413.32/202,570.80
  6. Step 6: Final answer
    x = 301,887.90

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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.