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Finding the Fourth Proportional to 125,107.82, 172,605.90 and 71,354.18

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Solution

The fourth proportional to 125,107.82, 172,605.90 and 71,354.18 is: 98,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,107.82 : 172,605.90 = 71,354.18 : x
  2. Step 2: Convert to fraction form
    125,107.82/172,605.90 = 71,354.18/x
  3. Step 3: Cross multiply
    125,107.82x = 172,605.90 × 71,354.18
  4. Step 4: Simplify right side
    125,107.82x = 12,316,152,457.66
  5. Step 5: Solve for x
    x = 12,316,152,457.66/125,107.82
  6. Step 6: Final answer
    x = 98,444.31

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