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Finding the Fourth Proportional to 165,756.39, 228,743.85 and 90,304.89

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Solution

The fourth proportional to 165,756.39, 228,743.85 and 90,304.89 is: 124,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,756.39 : 228,743.85 = 90,304.89 : x
  2. Step 2: Convert to fraction form
    165,756.39/228,743.85 = 90,304.89/x
  3. Step 3: Cross multiply
    165,756.39x = 228,743.85 × 90,304.89
  4. Step 4: Simplify right side
    165,756.39x = 20,656,688,212.43
  5. Step 5: Solve for x
    x = 20,656,688,212.43/165,756.39
  6. Step 6: Final answer
    x = 124,620.77

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