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Finding the Fourth Proportional to 211,447.36, 291,797.74 and 115,954.74

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Solution

The fourth proportional to 211,447.36, 291,797.74 and 115,954.74 is: 160,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,447.36 : 291,797.74 = 115,954.74 : x
  2. Step 2: Convert to fraction form
    211,447.36/291,797.74 = 115,954.74/x
  3. Step 3: Cross multiply
    211,447.36x = 291,797.74 × 115,954.74
  4. Step 4: Simplify right side
    211,447.36x = 33,835,331,219.23
  5. Step 5: Solve for x
    x = 33,835,331,219.23/211,447.36
  6. Step 6: Final answer
    x = 160,017.75

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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.