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Finding the Fourth Proportional to 85,076.86, 117,404.07 and 47,350.30

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Solution

The fourth proportional to 85,076.86, 117,404.07 and 47,350.30 is: 65,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.86 : 117,404.07 = 47,350.30 : x
  2. Step 2: Convert to fraction form
    85,076.86/117,404.07 = 47,350.30/x
  3. Step 3: Cross multiply
    85,076.86x = 117,404.07 × 47,350.30
  4. Step 4: Simplify right side
    85,076.86x = 5,559,117,935.72
  5. Step 5: Solve for x
    x = 5,559,117,935.72/85,076.86
  6. Step 6: Final answer
    x = 65,342.30

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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.