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Finding the Fourth Proportional to 143,316.21, 214,974.30 and 44,820.21

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Solution

The fourth proportional to 143,316.21, 214,974.30 and 44,820.21 is: 67,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.21 : 214,974.30 = 44,820.21 : x
  2. Step 2: Convert to fraction form
    143,316.21/214,974.30 = 44,820.21/x
  3. Step 3: Cross multiply
    143,316.21x = 214,974.30 × 44,820.21
  4. Step 4: Simplify right side
    143,316.21x = 9,635,193,270.60
  5. Step 5: Solve for x
    x = 9,635,193,270.60/143,316.21
  6. Step 6: Final answer
    x = 67,230.31

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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.