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Finding the Fourth Proportional to 301,961.88, 452,986.56 and 112,406.50

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Solution

The fourth proportional to 301,961.88, 452,986.56 and 112,406.50 is: 168,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,961.88 : 452,986.56 = 112,406.50 : x
  2. Step 2: Convert to fraction form
    301,961.88/452,986.56 = 112,406.50/x
  3. Step 3: Cross multiply
    301,961.88x = 452,986.56 × 112,406.50
  4. Step 4: Simplify right side
    301,961.88x = 50,918,633,756.64
  5. Step 5: Solve for x
    x = 50,918,633,756.64/301,961.88
  6. Step 6: Final answer
    x = 168,626.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.