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Finding the Fourth Proportional to 68,152.96, 94,051.20 and 39,853.44

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Solution

The fourth proportional to 68,152.96, 94,051.20 and 39,853.44 is: 54,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152.96 : 94,051.20 = 39,853.44 : x
  2. Step 2: Convert to fraction form
    68,152.96/94,051.20 = 39,853.44/x
  3. Step 3: Cross multiply
    68,152.96x = 94,051.20 × 39,853.44
  4. Step 4: Simplify right side
    68,152.96x = 3,748,263,856.13
  5. Step 5: Solve for x
    x = 3,748,263,856.13/68,152.96
  6. Step 6: Final answer
    x = 54,997.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.