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Finding the Fourth Proportional to 201,009.80, 301,745.10 and 117,950.60

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Solution

The fourth proportional to 201,009.80, 301,745.10 and 117,950.60 is: 177,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,009.80 : 301,745.10 = 117,950.60 : x
  2. Step 2: Convert to fraction form
    201,009.80/301,745.10 = 117,950.60/x
  3. Step 3: Cross multiply
    201,009.80x = 301,745.10 × 117,950.60
  4. Step 4: Simplify right side
    201,009.80x = 35,591,015,592.06
  5. Step 5: Solve for x
    x = 35,591,015,592.06/201,009.80
  6. Step 6: Final answer
    x = 177,061.10

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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.