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Finding the Fourth Proportional to 201,246.90, 301,611.15 and 154,266.90

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Solution

The fourth proportional to 201,246.90, 301,611.15 and 154,266.90 is: 231,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,246.90 : 301,611.15 = 154,266.90 : x
  2. Step 2: Convert to fraction form
    201,246.90/301,611.15 = 154,266.90/x
  3. Step 3: Cross multiply
    201,246.90x = 301,611.15 × 154,266.90
  4. Step 4: Simplify right side
    201,246.90x = 46,528,617,115.94
  5. Step 5: Solve for x
    x = 46,528,617,115.94/201,246.90
  6. Step 6: Final answer
    x = 231,201.66

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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.