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Finding the Fourth Proportional to 82,411.99, 123,638.71 and 38,070.11

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Solution

The fourth proportional to 82,411.99, 123,638.71 and 38,070.11 is: 57,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,411.99 : 123,638.71 = 38,070.11 : x
  2. Step 2: Convert to fraction form
    82,411.99/123,638.71 = 38,070.11/x
  3. Step 3: Cross multiply
    82,411.99x = 123,638.71 × 38,070.11
  4. Step 4: Simplify right side
    82,411.99x = 4,706,939,289.96
  5. Step 5: Solve for x
    x = 4,706,939,289.96/82,411.99
  6. Step 6: Final answer
    x = 57,114.74

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