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Finding the Fourth Proportional to 118,655.76, 163,854.48 and 76,287.36

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Solution

The fourth proportional to 118,655.76, 163,854.48 and 76,287.36 is: 105,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,655.76 : 163,854.48 = 76,287.36 : x
  2. Step 2: Convert to fraction form
    118,655.76/163,854.48 = 76,287.36/x
  3. Step 3: Cross multiply
    118,655.76x = 163,854.48 × 76,287.36
  4. Step 4: Simplify right side
    118,655.76x = 12,500,025,703.37
  5. Step 5: Solve for x
    x = 12,500,025,703.37/118,655.76
  6. Step 6: Final answer
    x = 105,346.98

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