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Finding the Fourth Proportional to 201,508.80, 301,825.80 and 166,516.80

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Solution

The fourth proportional to 201,508.80, 301,825.80 and 166,516.80 is: 249,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,508.80 : 301,825.80 = 166,516.80 : x
  2. Step 2: Convert to fraction form
    201,508.80/301,825.80 = 166,516.80/x
  3. Step 3: Cross multiply
    201,508.80x = 301,825.80 × 166,516.80
  4. Step 4: Simplify right side
    201,508.80x = 50,259,066,373.44
  5. Step 5: Solve for x
    x = 50,259,066,373.44/201,508.80
  6. Step 6: Final answer
    x = 249,413.75

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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.