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Finding the Fourth Proportional to 94,015.20, 141,022.80 and 30,835.20

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Solution

The fourth proportional to 94,015.20, 141,022.80 and 30,835.20 is: 46,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,015.20 : 141,022.80 = 30,835.20 : x
  2. Step 2: Convert to fraction form
    94,015.20/141,022.80 = 30,835.20/x
  3. Step 3: Cross multiply
    94,015.20x = 141,022.80 × 30,835.20
  4. Step 4: Simplify right side
    94,015.20x = 4,348,466,242.56
  5. Step 5: Solve for x
    x = 4,348,466,242.56/94,015.20
  6. Step 6: Final answer
    x = 46,252.80

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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.