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Finding the Fourth Proportional to 82,036.44, 123,048.90 and 46,865.88

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Solution

The fourth proportional to 82,036.44, 123,048.90 and 46,865.88 is: 70,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,036.44 : 123,048.90 = 46,865.88 : x
  2. Step 2: Convert to fraction form
    82,036.44/123,048.90 = 46,865.88/x
  3. Step 3: Cross multiply
    82,036.44x = 123,048.90 × 46,865.88
  4. Step 4: Simplify right side
    82,036.44x = 5,766,794,981.53
  5. Step 5: Solve for x
    x = 5,766,794,981.53/82,036.44
  6. Step 6: Final answer
    x = 70,295.53

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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.