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Finding the Fourth Proportional to 248,983.80, 373,475.70 and 61,995.30

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Solution

The fourth proportional to 248,983.80, 373,475.70 and 61,995.30 is: 92,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,983.80 : 373,475.70 = 61,995.30 : x
  2. Step 2: Convert to fraction form
    248,983.80/373,475.70 = 61,995.30/x
  3. Step 3: Cross multiply
    248,983.80x = 373,475.70 × 61,995.30
  4. Step 4: Simplify right side
    248,983.80x = 23,153,738,064.21
  5. Step 5: Solve for x
    x = 23,153,738,064.21/248,983.80
  6. Step 6: Final answer
    x = 92,992.95

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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.