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Finding the Fourth Proportional to 93,038.08, 128,409.60 and 55,333.12

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Solution

The fourth proportional to 93,038.08, 128,409.60 and 55,333.12 is: 76,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038.08 : 128,409.60 = 55,333.12 : x
  2. Step 2: Convert to fraction form
    93,038.08/128,409.60 = 55,333.12/x
  3. Step 3: Cross multiply
    93,038.08x = 128,409.60 × 55,333.12
  4. Step 4: Simplify right side
    93,038.08x = 7,105,303,805.95
  5. Step 5: Solve for x
    x = 7,105,303,805.95/93,038.08
  6. Step 6: Final answer
    x = 76,369.85

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