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Finding the Fourth Proportional to 69,230.10, 103,783.70 and 33,671.90

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Solution

The fourth proportional to 69,230.10, 103,783.70 and 33,671.90 is: 50,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,230.10 : 103,783.70 = 33,671.90 : x
  2. Step 2: Convert to fraction form
    69,230.10/103,783.70 = 33,671.90/x
  3. Step 3: Cross multiply
    69,230.10x = 103,783.70 × 33,671.90
  4. Step 4: Simplify right side
    69,230.10x = 3,494,594,368.03
  5. Step 5: Solve for x
    x = 3,494,594,368.03/69,230.10
  6. Step 6: Final answer
    x = 50,477.96

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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.