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Finding the Fourth Proportional to 211,482.56, 291,846.12 and 115,991.12

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Solution

The fourth proportional to 211,482.56, 291,846.12 and 115,991.12 is: 160,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,482.56 : 291,846.12 = 115,991.12 : x
  2. Step 2: Convert to fraction form
    211,482.56/291,846.12 = 115,991.12/x
  3. Step 3: Cross multiply
    211,482.56x = 291,846.12 × 115,991.12
  4. Step 4: Simplify right side
    211,482.56x = 33,851,558,326.45
  5. Step 5: Solve for x
    x = 33,851,558,326.45/211,482.56
  6. Step 6: Final answer
    x = 160,067.85

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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.