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Finding the Fourth Proportional to 252,071.64, 347,883.38 and 188,298.72

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Solution

The fourth proportional to 252,071.64, 347,883.38 and 188,298.72 is: 259,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,071.64 : 347,883.38 = 188,298.72 : x
  2. Step 2: Convert to fraction form
    252,071.64/347,883.38 = 188,298.72/x
  3. Step 3: Cross multiply
    252,071.64x = 347,883.38 × 188,298.72
  4. Step 4: Simplify right side
    252,071.64x = 65,505,995,163.27
  5. Step 5: Solve for x
    x = 65,505,995,163.27/252,071.64
  6. Step 6: Final answer
    x = 259,870.55

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