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Finding the Fourth Proportional to 191,994.80, 287,992.20 and 132,897.20

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Solution

The fourth proportional to 191,994.80, 287,992.20 and 132,897.20 is: 199,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,994.80 : 287,992.20 = 132,897.20 : x
  2. Step 2: Convert to fraction form
    191,994.80/287,992.20 = 132,897.20/x
  3. Step 3: Cross multiply
    191,994.80x = 287,992.20 × 132,897.20
  4. Step 4: Simplify right side
    191,994.80x = 38,273,357,001.84
  5. Step 5: Solve for x
    x = 38,273,357,001.84/191,994.80
  6. Step 6: Final answer
    x = 199,345.80

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