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Finding the Fourth Proportional to 112,860.48, 169,326.48 and 67,931.04

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Solution

The fourth proportional to 112,860.48, 169,326.48 and 67,931.04 is: 101,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,860.48 : 169,326.48 = 67,931.04 : x
  2. Step 2: Convert to fraction form
    112,860.48/169,326.48 = 67,931.04/x
  3. Step 3: Cross multiply
    112,860.48x = 169,326.48 × 67,931.04
  4. Step 4: Simplify right side
    112,860.48x = 11,502,523,885.94
  5. Step 5: Solve for x
    x = 11,502,523,885.94/112,860.48
  6. Step 6: Final answer
    x = 101,918.08

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