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Finding the Fourth Proportional to 206,683.45, 310,025.40 and 82,024.45

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Solution

The fourth proportional to 206,683.45, 310,025.40 and 82,024.45 is: 123,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,683.45 : 310,025.40 = 82,024.45 : x
  2. Step 2: Convert to fraction form
    206,683.45/310,025.40 = 82,024.45/x
  3. Step 3: Cross multiply
    206,683.45x = 310,025.40 × 82,024.45
  4. Step 4: Simplify right side
    206,683.45x = 25,429,662,921.03
  5. Step 5: Solve for x
    x = 25,429,662,921.03/206,683.45
  6. Step 6: Final answer
    x = 123,036.76

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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.