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Finding the Fourth Proportional to 235,412.10, 353,160.45 and 85,862.19

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Solution

The fourth proportional to 235,412.10, 353,160.45 and 85,862.19 is: 128,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,412.10 : 353,160.45 = 85,862.19 : x
  2. Step 2: Convert to fraction form
    235,412.10/353,160.45 = 85,862.19/x
  3. Step 3: Cross multiply
    235,412.10x = 353,160.45 × 85,862.19
  4. Step 4: Simplify right side
    235,412.10x = 30,323,129,658.39
  5. Step 5: Solve for x
    x = 30,323,129,658.39/235,412.10
  6. Step 6: Final answer
    x = 128,808.71

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