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Finding the Fourth Proportional to 127,796.08, 191,779.44 and 44,690.08

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Solution

The fourth proportional to 127,796.08, 191,779.44 and 44,690.08 is: 67,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.08 : 191,779.44 = 44,690.08 : x
  2. Step 2: Convert to fraction form
    127,796.08/191,779.44 = 44,690.08/x
  3. Step 3: Cross multiply
    127,796.08x = 191,779.44 × 44,690.08
  4. Step 4: Simplify right side
    127,796.08x = 8,570,638,515.96
  5. Step 5: Solve for x
    x = 8,570,638,515.96/127,796.08
  6. Step 6: Final answer
    x = 67,064.96

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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.