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Finding the Fourth Proportional to 173,815.80, 260,723.70 and 111,607.80

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Solution

The fourth proportional to 173,815.80, 260,723.70 and 111,607.80 is: 167,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815.80 : 260,723.70 = 111,607.80 : x
  2. Step 2: Convert to fraction form
    173,815.80/260,723.70 = 111,607.80/x
  3. Step 3: Cross multiply
    173,815.80x = 260,723.70 × 111,607.80
  4. Step 4: Simplify right side
    173,815.80x = 29,098,798,564.86
  5. Step 5: Solve for x
    x = 29,098,798,564.86/173,815.80
  6. Step 6: Final answer
    x = 167,411.70

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