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Finding the Fourth Proportional to 144,286.72, 216,453.32 and 44,446.88

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Solution

The fourth proportional to 144,286.72, 216,453.32 and 44,446.88 is: 66,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,286.72 : 216,453.32 = 44,446.88 : x
  2. Step 2: Convert to fraction form
    144,286.72/216,453.32 = 44,446.88/x
  3. Step 3: Cross multiply
    144,286.72x = 216,453.32 × 44,446.88
  4. Step 4: Simplify right side
    144,286.72x = 9,620,674,739.64
  5. Step 5: Solve for x
    x = 9,620,674,739.64/144,286.72
  6. Step 6: Final answer
    x = 66,677.48

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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.