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Finding the Fourth Proportional to 192,427.44, 265,377.88 and 120,814.12

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Solution

The fourth proportional to 192,427.44, 265,377.88 and 120,814.12 is: 166,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,427.44 : 265,377.88 = 120,814.12 : x
  2. Step 2: Convert to fraction form
    192,427.44/265,377.88 = 120,814.12/x
  3. Step 3: Cross multiply
    192,427.44x = 265,377.88 × 120,814.12
  4. Step 4: Simplify right side
    192,427.44x = 32,061,395,039.67
  5. Step 5: Solve for x
    x = 32,061,395,039.67/192,427.44
  6. Step 6: Final answer
    x = 166,615.50

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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.