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Finding the Fourth Proportional to 281,535.54, 422,368.91 and 92,004.65

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Solution

The fourth proportional to 281,535.54, 422,368.91 and 92,004.65 is: 138,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,535.54 : 422,368.91 = 92,004.65 : x
  2. Step 2: Convert to fraction form
    281,535.54/422,368.91 = 92,004.65/x
  3. Step 3: Cross multiply
    281,535.54x = 422,368.91 × 92,004.65
  4. Step 4: Simplify right side
    281,535.54x = 38,859,903,735.43
  5. Step 5: Solve for x
    x = 38,859,903,735.43/281,535.54
  6. Step 6: Final answer
    x = 138,028.41

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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.