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Finding the Fourth Proportional to 124,886.25, 172,343.16 and 68,297.76

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Solution

The fourth proportional to 124,886.25, 172,343.16 and 68,297.76 is: 94,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,886.25 : 172,343.16 = 68,297.76 : x
  2. Step 2: Convert to fraction form
    124,886.25/172,343.16 = 68,297.76/x
  3. Step 3: Cross multiply
    124,886.25x = 172,343.16 × 68,297.76
  4. Step 4: Simplify right side
    124,886.25x = 11,770,651,779.32
  5. Step 5: Solve for x
    x = 11,770,651,779.32/124,886.25
  6. Step 6: Final answer
    x = 94,250.98

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