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Finding the Fourth Proportional to 112,625.67, 155,408.04 and 67,294.02

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Solution

The fourth proportional to 112,625.67, 155,408.04 and 67,294.02 is: 92,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,625.67 : 155,408.04 = 67,294.02 : x
  2. Step 2: Convert to fraction form
    112,625.67/155,408.04 = 67,294.02/x
  3. Step 3: Cross multiply
    112,625.67x = 155,408.04 × 67,294.02
  4. Step 4: Simplify right side
    112,625.67x = 10,458,031,751.92
  5. Step 5: Solve for x
    x = 10,458,031,751.92/112,625.67
  6. Step 6: Final answer
    x = 92,856.56

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1.5x scale

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.