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Finding the Fourth Proportional to 83,199.02, 114,868.28 and 74,230.97

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Solution

The fourth proportional to 83,199.02, 114,868.28 and 74,230.97 is: 102,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,199.02 : 114,868.28 = 74,230.97 : x
  2. Step 2: Convert to fraction form
    83,199.02/114,868.28 = 74,230.97/x
  3. Step 3: Cross multiply
    83,199.02x = 114,868.28 × 74,230.97
  4. Step 4: Simplify right side
    83,199.02x = 8,526,783,846.63
  5. Step 5: Solve for x
    x = 8,526,783,846.63/83,199.02
  6. Step 6: Final answer
    x = 102,486.59

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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.