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Finding the Fourth Proportional to 218,297.96, 301,250.74 and 122,804.73

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Solution

The fourth proportional to 218,297.96, 301,250.74 and 122,804.73 is: 169,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,297.96 : 301,250.74 = 122,804.73 : x
  2. Step 2: Convert to fraction form
    218,297.96/301,250.74 = 122,804.73/x
  3. Step 3: Cross multiply
    218,297.96x = 301,250.74 × 122,804.73
  4. Step 4: Simplify right side
    218,297.96x = 36,995,015,788.00
  5. Step 5: Solve for x
    x = 36,995,015,788.00/218,297.96
  6. Step 6: Final answer
    x = 169,470.28

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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.