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Finding the Fourth Proportional to 146,443.75, 219,665.63 and 35,635.75

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Solution

The fourth proportional to 146,443.75, 219,665.63 and 35,635.75 is: 53,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,443.75 : 219,665.63 = 35,635.75 : x
  2. Step 2: Convert to fraction form
    146,443.75/219,665.63 = 35,635.75/x
  3. Step 3: Cross multiply
    146,443.75x = 219,665.63 × 35,635.75
  4. Step 4: Simplify right side
    146,443.75x = 7,827,949,474.27
  5. Step 5: Solve for x
    x = 7,827,949,474.27/146,443.75
  6. Step 6: Final answer
    x = 53,453.63

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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.