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Finding the Fourth Proportional to 178,662.56, 246,535.99 and 107,040.74

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Solution

The fourth proportional to 178,662.56, 246,535.99 and 107,040.74 is: 147,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,662.56 : 246,535.99 = 107,040.74 : x
  2. Step 2: Convert to fraction form
    178,662.56/246,535.99 = 107,040.74/x
  3. Step 3: Cross multiply
    178,662.56x = 246,535.99 × 107,040.74
  4. Step 4: Simplify right side
    178,662.56x = 26,389,393,305.95
  5. Step 5: Solve for x
    x = 26,389,393,305.95/178,662.56
  6. Step 6: Final answer
    x = 147,705.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.