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Finding the Fourth Proportional to 64,931.34, 97,400.71 and 18,187.86

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Solution

The fourth proportional to 64,931.34, 97,400.71 and 18,187.86 is: 27,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,931.34 : 97,400.71 = 18,187.86 : x
  2. Step 2: Convert to fraction form
    64,931.34/97,400.71 = 18,187.86/x
  3. Step 3: Cross multiply
    64,931.34x = 97,400.71 × 18,187.86
  4. Step 4: Simplify right side
    64,931.34x = 1,771,510,865.37
  5. Step 5: Solve for x
    x = 1,771,510,865.37/64,931.34
  6. Step 6: Final answer
    x = 27,282.83

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