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Finding the Fourth Proportional to 94,046.70, 140,970.86 and 30,850.32

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Solution

The fourth proportional to 94,046.70, 140,970.86 and 30,850.32 is: 46,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,046.70 : 140,970.86 = 30,850.32 : x
  2. Step 2: Convert to fraction form
    94,046.70/140,970.86 = 30,850.32/x
  3. Step 3: Cross multiply
    94,046.70x = 140,970.86 × 30,850.32
  4. Step 4: Simplify right side
    94,046.70x = 4,348,995,513.95
  5. Step 5: Solve for x
    x = 4,348,995,513.95/94,046.70
  6. Step 6: Final answer
    x = 46,242.94

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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.