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Finding the Fourth Proportional to 261,457.70, 392,057.06 and 92,952.78

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Solution

The fourth proportional to 261,457.70, 392,057.06 and 92,952.78 is: 139,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,457.70 : 392,057.06 = 92,952.78 : x
  2. Step 2: Convert to fraction form
    261,457.70/392,057.06 = 92,952.78/x
  3. Step 3: Cross multiply
    261,457.70x = 392,057.06 × 92,952.78
  4. Step 4: Simplify right side
    261,457.70x = 36,442,793,645.63
  5. Step 5: Solve for x
    x = 36,442,793,645.63/261,457.70
  6. Step 6: Final answer
    x = 139,383.13

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