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Finding the Fourth Proportional to 93,039.39, 128,391.62 and 52,756.83

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Solution

The fourth proportional to 93,039.39, 128,391.62 and 52,756.83 is: 72,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,039.39 : 128,391.62 = 52,756.83 : x
  2. Step 2: Convert to fraction form
    93,039.39/128,391.62 = 52,756.83/x
  3. Step 3: Cross multiply
    93,039.39x = 128,391.62 × 52,756.83
  4. Step 4: Simplify right side
    93,039.39x = 6,773,534,605.98
  5. Step 5: Solve for x
    x = 6,773,534,605.98/93,039.39
  6. Step 6: Final answer
    x = 72,802.87

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