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Finding the Fourth Proportional to 85,746.33, 118,308.56 and 49,458.87

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Solution

The fourth proportional to 85,746.33, 118,308.56 and 49,458.87 is: 68,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,746.33 : 118,308.56 = 49,458.87 : x
  2. Step 2: Convert to fraction form
    85,746.33/118,308.56 = 49,458.87/x
  3. Step 3: Cross multiply
    85,746.33x = 118,308.56 × 49,458.87
  4. Step 4: Simplify right side
    85,746.33x = 5,851,407,688.93
  5. Step 5: Solve for x
    x = 5,851,407,688.93/85,746.33
  6. Step 6: Final answer
    x = 68,240.91

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