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Finding the Fourth Proportional to 78,777.86, 108,730.29 and 46,500.47

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Solution

The fourth proportional to 78,777.86, 108,730.29 and 46,500.47 is: 64,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,777.86 : 108,730.29 = 46,500.47 : x
  2. Step 2: Convert to fraction form
    78,777.86/108,730.29 = 46,500.47/x
  3. Step 3: Cross multiply
    78,777.86x = 108,730.29 × 46,500.47
  4. Step 4: Simplify right side
    78,777.86x = 5,056,009,044.58
  5. Step 5: Solve for x
    x = 5,056,009,044.58/78,777.86
  6. Step 6: Final answer
    x = 64,180.59

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