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Finding the Fourth Proportional to 68,292.45, 94,240.40 and 38,081.07

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Solution

The fourth proportional to 68,292.45, 94,240.40 and 38,081.07 is: 52,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,292.45 : 94,240.40 = 38,081.07 : x
  2. Step 2: Convert to fraction form
    68,292.45/94,240.40 = 38,081.07/x
  3. Step 3: Cross multiply
    68,292.45x = 94,240.40 × 38,081.07
  4. Step 4: Simplify right side
    68,292.45x = 3,588,775,078.82
  5. Step 5: Solve for x
    x = 3,588,775,078.82/68,292.45
  6. Step 6: Final answer
    x = 52,550.10

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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.