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Finding the Fourth Proportional to 92,909.56, 139,364.40 and 33,745.12

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Solution

The fourth proportional to 92,909.56, 139,364.40 and 33,745.12 is: 50,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.56 : 139,364.40 = 33,745.12 : x
  2. Step 2: Convert to fraction form
    92,909.56/139,364.40 = 33,745.12/x
  3. Step 3: Cross multiply
    92,909.56x = 139,364.40 × 33,745.12
  4. Step 4: Simplify right side
    92,909.56x = 4,702,868,401.73
  5. Step 5: Solve for x
    x = 4,702,868,401.73/92,909.56
  6. Step 6: Final answer
    x = 50,617.70

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1.5x scale

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.