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Finding the Fourth Proportional to 201,611.45, 302,581.20 and 195,050.45

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Solution

The fourth proportional to 201,611.45, 302,581.20 and 195,050.45 is: 292,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611.45 : 302,581.20 = 195,050.45 : x
  2. Step 2: Convert to fraction form
    201,611.45/302,581.20 = 195,050.45/x
  3. Step 3: Cross multiply
    201,611.45x = 302,581.20 × 195,050.45
  4. Step 4: Simplify right side
    201,611.45x = 59,018,599,221.54
  5. Step 5: Solve for x
    x = 59,018,599,221.54/201,611.45
  6. Step 6: Final answer
    x = 292,734.36

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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.