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Finding the Fourth Proportional to 123,020.70, 184,531.05 and 44,142.90

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Solution

The fourth proportional to 123,020.70, 184,531.05 and 44,142.90 is: 66,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020.70 : 184,531.05 = 44,142.90 : x
  2. Step 2: Convert to fraction form
    123,020.70/184,531.05 = 44,142.90/x
  3. Step 3: Cross multiply
    123,020.70x = 184,531.05 × 44,142.90
  4. Step 4: Simplify right side
    123,020.70x = 8,145,735,687.05
  5. Step 5: Solve for x
    x = 8,145,735,687.05/123,020.70
  6. Step 6: Final answer
    x = 66,214.35

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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.