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Finding the Fourth Proportional to 248,868.30, 373,302.45 and 61,879.80

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Solution

The fourth proportional to 248,868.30, 373,302.45 and 61,879.80 is: 92,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,868.30 : 373,302.45 = 61,879.80 : x
  2. Step 2: Convert to fraction form
    248,868.30/373,302.45 = 61,879.80/x
  3. Step 3: Cross multiply
    248,868.30x = 373,302.45 × 61,879.80
  4. Step 4: Simplify right side
    248,868.30x = 23,099,880,945.51
  5. Step 5: Solve for x
    x = 23,099,880,945.51/248,868.30
  6. Step 6: Final answer
    x = 92,819.70

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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.