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Finding the Fourth Proportional to 235,556, 325,067.28 and 135,012.32

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Solution

The fourth proportional to 235,556, 325,067.28 and 135,012.32 is: 186,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,556 : 325,067.28 = 135,012.32 : x
  2. Step 2: Convert to fraction form
    235,556/325,067.28 = 135,012.32/x
  3. Step 3: Cross multiply
    235,556x = 325,067.28 × 135,012.32
  4. Step 4: Simplify right side
    235,556x = 43,888,087,628.89
  5. Step 5: Solve for x
    x = 43,888,087,628.89/235,556
  6. Step 6: Final answer
    x = 186,317.00

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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.