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Finding the Fourth Proportional to 201,626.45, 302,603.70 and 195,065.45

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Solution

The fourth proportional to 201,626.45, 302,603.70 and 195,065.45 is: 292,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,626.45 : 302,603.70 = 195,065.45 : x
  2. Step 2: Convert to fraction form
    201,626.45/302,603.70 = 195,065.45/x
  3. Step 3: Cross multiply
    201,626.45x = 302,603.70 × 195,065.45
  4. Step 4: Simplify right side
    201,626.45x = 59,027,526,912.17
  5. Step 5: Solve for x
    x = 59,027,526,912.17/201,626.45
  6. Step 6: Final answer
    x = 292,756.86

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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.