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Finding the Fourth Proportional to 92,455.96, 138,779.66 and 56,942.86

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Solution

The fourth proportional to 92,455.96, 138,779.66 and 56,942.86 is: 85,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,455.96 : 138,779.66 = 56,942.86 : x
  2. Step 2: Convert to fraction form
    92,455.96/138,779.66 = 56,942.86/x
  3. Step 3: Cross multiply
    92,455.96x = 138,779.66 × 56,942.86
  4. Step 4: Simplify right side
    92,455.96x = 7,902,510,750.23
  5. Step 5: Solve for x
    x = 7,902,510,750.23/92,455.96
  6. Step 6: Final answer
    x = 85,473.24

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