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Finding the Fourth Proportional to 169,614.56, 253,896.96 and 144,420.32

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Solution

The fourth proportional to 169,614.56, 253,896.96 and 144,420.32 is: 216,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.56 : 253,896.96 = 144,420.32 : x
  2. Step 2: Convert to fraction form
    169,614.56/253,896.96 = 144,420.32/x
  3. Step 3: Cross multiply
    169,614.56x = 253,896.96 × 144,420.32
  4. Step 4: Simplify right side
    169,614.56x = 36,667,880,210.23
  5. Step 5: Solve for x
    x = 36,667,880,210.23/169,614.56
  6. Step 6: Final answer
    x = 216,183.56

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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.