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Finding the Fourth Proportional to 263,779.94, 395,669.88 and 64,098.95

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Solution

The fourth proportional to 263,779.94, 395,669.88 and 64,098.95 is: 96,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,779.94 : 395,669.88 = 64,098.95 : x
  2. Step 2: Convert to fraction form
    263,779.94/395,669.88 = 64,098.95/x
  3. Step 3: Cross multiply
    263,779.94x = 395,669.88 × 64,098.95
  4. Step 4: Simplify right side
    263,779.94x = 25,362,021,876.28
  5. Step 5: Solve for x
    x = 25,362,021,876.28/263,779.94
  6. Step 6: Final answer
    x = 96,148.41

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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.