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Finding the Fourth Proportional to 238,909.32, 358,415.82 and 72,693

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Solution

The fourth proportional to 238,909.32, 358,415.82 and 72,693 is: 109,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,909.32 : 358,415.82 = 72,693 : x
  2. Step 2: Convert to fraction form
    238,909.32/358,415.82 = 72,693/x
  3. Step 3: Cross multiply
    238,909.32x = 358,415.82 × 72,693
  4. Step 4: Simplify right side
    238,909.32x = 26,054,321,203.26
  5. Step 5: Solve for x
    x = 26,054,321,203.26/238,909.32
  6. Step 6: Final answer
    x = 109,055.27

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