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Finding the Fourth Proportional to 93,469.32, 128,998.98 and 53,192.88

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Solution

The fourth proportional to 93,469.32, 128,998.98 and 53,192.88 is: 73,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469.32 : 128,998.98 = 53,192.88 : x
  2. Step 2: Convert to fraction form
    93,469.32/128,998.98 = 53,192.88/x
  3. Step 3: Cross multiply
    93,469.32x = 128,998.98 × 53,192.88
  4. Step 4: Simplify right side
    93,469.32x = 6,861,827,263.26
  5. Step 5: Solve for x
    x = 6,861,827,263.26/93,469.32
  6. Step 6: Final answer
    x = 73,412.62

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