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Finding the Fourth Proportional to 88,671.60, 122,379.12 and 50,945.04

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Solution

The fourth proportional to 88,671.60, 122,379.12 and 50,945.04 is: 70,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.60 : 122,379.12 = 50,945.04 : x
  2. Step 2: Convert to fraction form
    88,671.60/122,379.12 = 50,945.04/x
  3. Step 3: Cross multiply
    88,671.60x = 122,379.12 × 50,945.04
  4. Step 4: Simplify right side
    88,671.60x = 6,234,609,163.56
  5. Step 5: Solve for x
    x = 6,234,609,163.56/88,671.60
  6. Step 6: Final answer
    x = 70,311.23

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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.