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Finding the Fourth Proportional to 112,050, 154,629 and 67,338

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Solution

The fourth proportional to 112,050, 154,629 and 67,338 is: 92,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,050 : 154,629 = 67,338 : x
  2. Step 2: Convert to fraction form
    112,050/154,629 = 67,338/x
  3. Step 3: Cross multiply
    112,050x = 154,629 × 67,338
  4. Step 4: Simplify right side
    112,050x = 10,412,407,602
  5. Step 5: Solve for x
    x = 10,412,407,602/112,050
  6. Step 6: Final answer
    x = 92,926.44

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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.