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Finding the Fourth Proportional to 457,938.60, 686,897.10 and 125,514.60

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Solution

The fourth proportional to 457,938.60, 686,897.10 and 125,514.60 is: 188,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,938.60 : 686,897.10 = 125,514.60 : x
  2. Step 2: Convert to fraction form
    457,938.60/686,897.10 = 125,514.60/x
  3. Step 3: Cross multiply
    457,938.60x = 686,897.10 × 125,514.60
  4. Step 4: Simplify right side
    457,938.60x = 86,215,614,747.66
  5. Step 5: Solve for x
    x = 86,215,614,747.66/457,938.60
  6. Step 6: Final answer
    x = 188,268.94

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