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Finding the Fourth Proportional to 78,426.96, 108,238.52 and 46,595.98

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Solution

The fourth proportional to 78,426.96, 108,238.52 and 46,595.98 is: 64,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,426.96 : 108,238.52 = 46,595.98 : x
  2. Step 2: Convert to fraction form
    78,426.96/108,238.52 = 46,595.98/x
  3. Step 3: Cross multiply
    78,426.96x = 108,238.52 × 46,595.98
  4. Step 4: Simplify right side
    78,426.96x = 5,043,479,913.15
  5. Step 5: Solve for x
    x = 5,043,479,913.15/78,426.96
  6. Step 6: Final answer
    x = 64,307.99

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