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Finding the Fourth Proportional to 144,100.80, 216,183.60 and 44,265.60

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Solution

The fourth proportional to 144,100.80, 216,183.60 and 44,265.60 is: 66,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,100.80 : 216,183.60 = 44,265.60 : x
  2. Step 2: Convert to fraction form
    144,100.80/216,183.60 = 44,265.60/x
  3. Step 3: Cross multiply
    144,100.80x = 216,183.60 × 44,265.60
  4. Step 4: Simplify right side
    144,100.80x = 9,569,496,764.16
  5. Step 5: Solve for x
    x = 9,569,496,764.16/144,100.80
  6. Step 6: Final answer
    x = 66,408.35

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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.