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Finding the Fourth Proportional to 149,301.54, 206,036.12 and 82,233.54

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Solution

The fourth proportional to 149,301.54, 206,036.12 and 82,233.54 is: 113,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,301.54 : 206,036.12 = 82,233.54 : x
  2. Step 2: Convert to fraction form
    149,301.54/206,036.12 = 82,233.54/x
  3. Step 3: Cross multiply
    149,301.54x = 206,036.12 × 82,233.54
  4. Step 4: Simplify right side
    149,301.54x = 16,943,079,515.46
  5. Step 5: Solve for x
    x = 16,943,079,515.46/149,301.54
  6. Step 6: Final answer
    x = 113,482.28

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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.