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Finding the Fourth Proportional to 68,876.42, 95,041.41 and 38,655.14

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Solution

The fourth proportional to 68,876.42, 95,041.41 and 38,655.14 is: 53,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,876.42 : 95,041.41 = 38,655.14 : x
  2. Step 2: Convert to fraction form
    68,876.42/95,041.41 = 38,655.14/x
  3. Step 3: Cross multiply
    68,876.42x = 95,041.41 × 38,655.14
  4. Step 4: Simplify right side
    68,876.42x = 3,673,839,009.35
  5. Step 5: Solve for x
    x = 3,673,839,009.35/68,876.42
  6. Step 6: Final answer
    x = 53,339.58

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