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Finding the Fourth Proportional to 371,636.79, 557,455.53 and 91,154.04

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Solution

The fourth proportional to 371,636.79, 557,455.53 and 91,154.04 is: 136,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,636.79 : 557,455.53 = 91,154.04 : x
  2. Step 2: Convert to fraction form
    371,636.79/557,455.53 = 91,154.04/x
  3. Step 3: Cross multiply
    371,636.79x = 557,455.53 × 91,154.04
  4. Step 4: Simplify right side
    371,636.79x = 50,814,323,679.84
  5. Step 5: Solve for x
    x = 50,814,323,679.84/371,636.79
  6. Step 6: Final answer
    x = 136,731.14

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