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Finding the Fourth Proportional to 235,858.44, 325,448.01 and 135,237

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Solution

The fourth proportional to 235,858.44, 325,448.01 and 135,237 is: 186,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,858.44 : 325,448.01 = 135,237 : x
  2. Step 2: Convert to fraction form
    235,858.44/325,448.01 = 135,237/x
  3. Step 3: Cross multiply
    235,858.44x = 325,448.01 × 135,237
  4. Step 4: Simplify right side
    235,858.44x = 44,012,612,528.37
  5. Step 5: Solve for x
    x = 44,012,612,528.37/235,858.44
  6. Step 6: Final answer
    x = 186,606.05

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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.