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Finding the Fourth Proportional to 70,966.80, 97,946.76 and 42,674.40

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Solution

The fourth proportional to 70,966.80, 97,946.76 and 42,674.40 is: 58,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,966.80 : 97,946.76 = 42,674.40 : x
  2. Step 2: Convert to fraction form
    70,966.80/97,946.76 = 42,674.40/x
  3. Step 3: Cross multiply
    70,966.80x = 97,946.76 × 42,674.40
  4. Step 4: Simplify right side
    70,966.80x = 4,179,819,214.94
  5. Step 5: Solve for x
    x = 4,179,819,214.94/70,966.80
  6. Step 6: Final answer
    x = 58,898.23

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