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Finding the Fourth Proportional to 178,367.75, 246,112.80 and 105,757.22

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Solution

The fourth proportional to 178,367.75, 246,112.80 and 105,757.22 is: 145,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,367.75 : 246,112.80 = 105,757.22 : x
  2. Step 2: Convert to fraction form
    178,367.75/246,112.80 = 105,757.22/x
  3. Step 3: Cross multiply
    178,367.75x = 246,112.80 × 105,757.22
  4. Step 4: Simplify right side
    178,367.75x = 26,028,205,953.24
  5. Step 5: Solve for x
    x = 26,028,205,953.24/178,367.75
  6. Step 6: Final answer
    x = 145,924.40

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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.