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Finding the Fourth Proportional to 201,312.20, 301,603.80 and 159,467.60

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Solution

The fourth proportional to 201,312.20, 301,603.80 and 159,467.60 is: 238,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,312.20 : 301,603.80 = 159,467.60 : x
  2. Step 2: Convert to fraction form
    201,312.20/301,603.80 = 159,467.60/x
  3. Step 3: Cross multiply
    201,312.20x = 301,603.80 × 159,467.60
  4. Step 4: Simplify right side
    201,312.20x = 48,096,034,136.88
  5. Step 5: Solve for x
    x = 48,096,034,136.88/201,312.20
  6. Step 6: Final answer
    x = 238,912.66

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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.