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Finding the Fourth Proportional to 248,751.36, 373,123.20 and 61,764.48

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Solution

The fourth proportional to 248,751.36, 373,123.20 and 61,764.48 is: 92,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751.36 : 373,123.20 = 61,764.48 : x
  2. Step 2: Convert to fraction form
    248,751.36/373,123.20 = 61,764.48/x
  3. Step 3: Cross multiply
    248,751.36x = 373,123.20 × 61,764.48
  4. Step 4: Simplify right side
    248,751.36x = 23,045,760,423.94
  5. Step 5: Solve for x
    x = 23,045,760,423.94/248,751.36
  6. Step 6: Final answer
    x = 92,645.77

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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.