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Finding the Fourth Proportional to 160,458.40, 221,435.97 and 87,864.35

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Solution

The fourth proportional to 160,458.40, 221,435.97 and 87,864.35 is: 121,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,458.40 : 221,435.97 = 87,864.35 : x
  2. Step 2: Convert to fraction form
    160,458.40/221,435.97 = 87,864.35/x
  3. Step 3: Cross multiply
    160,458.40x = 221,435.97 × 87,864.35
  4. Step 4: Simplify right side
    160,458.40x = 19,456,328,124.26
  5. Step 5: Solve for x
    x = 19,456,328,124.26/160,458.40
  6. Step 6: Final answer
    x = 121,254.66

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