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Finding the Fourth Proportional to 112,044.20, 168,066.30 and 70,572.20

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Solution

The fourth proportional to 112,044.20, 168,066.30 and 70,572.20 is: 105,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,044.20 : 168,066.30 = 70,572.20 : x
  2. Step 2: Convert to fraction form
    112,044.20/168,066.30 = 70,572.20/x
  3. Step 3: Cross multiply
    112,044.20x = 168,066.30 × 70,572.20
  4. Step 4: Simplify right side
    112,044.20x = 11,860,808,536.86
  5. Step 5: Solve for x
    x = 11,860,808,536.86/112,044.20
  6. Step 6: Final answer
    x = 105,858.30

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