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Finding the Fourth Proportional to 173,407.80, 260,111.70 and 106,631.40

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Solution

The fourth proportional to 173,407.80, 260,111.70 and 106,631.40 is: 159,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.80 : 260,111.70 = 106,631.40 : x
  2. Step 2: Convert to fraction form
    173,407.80/260,111.70 = 106,631.40/x
  3. Step 3: Cross multiply
    173,407.80x = 260,111.70 × 106,631.40
  4. Step 4: Simplify right side
    173,407.80x = 27,736,074,727.38
  5. Step 5: Solve for x
    x = 27,736,074,727.38/173,407.80
  6. Step 6: Final answer
    x = 159,947.10

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