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Finding the Fourth Proportional to 92,960.34, 128,284.92 and 52,681.78

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Solution

The fourth proportional to 92,960.34, 128,284.92 and 52,681.78 is: 72,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.34 : 128,284.92 = 52,681.78 : x
  2. Step 2: Convert to fraction form
    92,960.34/128,284.92 = 52,681.78/x
  3. Step 3: Cross multiply
    92,960.34x = 128,284.92 × 52,681.78
  4. Step 4: Simplify right side
    92,960.34x = 6,758,277,932.76
  5. Step 5: Solve for x
    x = 6,758,277,932.76/92,960.34
  6. Step 6: Final answer
    x = 72,700.66

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