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Finding the Fourth Proportional to 277,302.42, 415,953.64 and 90,313.92

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Solution

The fourth proportional to 277,302.42, 415,953.64 and 90,313.92 is: 135,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,302.42 : 415,953.64 = 90,313.92 : x
  2. Step 2: Convert to fraction form
    277,302.42/415,953.64 = 90,313.92/x
  3. Step 3: Cross multiply
    277,302.42x = 415,953.64 × 90,313.92
  4. Step 4: Simplify right side
    277,302.42x = 37,566,405,100.71
  5. Step 5: Solve for x
    x = 37,566,405,100.71/277,302.42
  6. Step 6: Final answer
    x = 135,470.89

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