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Finding the Fourth Proportional to 85,218.86, 117,602.62 and 47,495.54

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Solution

The fourth proportional to 85,218.86, 117,602.62 and 47,495.54 is: 65,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,218.86 : 117,602.62 = 47,495.54 : x
  2. Step 2: Convert to fraction form
    85,218.86/117,602.62 = 47,495.54/x
  3. Step 3: Cross multiply
    85,218.86x = 117,602.62 × 47,495.54
  4. Step 4: Simplify right side
    85,218.86x = 5,585,599,942.31
  5. Step 5: Solve for x
    x = 5,585,599,942.31/85,218.86
  6. Step 6: Final answer
    x = 65,544.18

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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.