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Finding the Fourth Proportional to 93,869.28, 129,534.80 and 51,426.90

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Solution

The fourth proportional to 93,869.28, 129,534.80 and 51,426.90 is: 70,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,869.28 : 129,534.80 = 51,426.90 : x
  2. Step 2: Convert to fraction form
    93,869.28/129,534.80 = 51,426.90/x
  3. Step 3: Cross multiply
    93,869.28x = 129,534.80 × 51,426.90
  4. Step 4: Simplify right side
    93,869.28x = 6,661,572,948.99
  5. Step 5: Solve for x
    x = 6,661,572,948.99/93,869.28
  6. Step 6: Final answer
    x = 70,966.49

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