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Finding the Fourth Proportional to 71,159.72, 98,186.46 and 42,866.96

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Solution

The fourth proportional to 71,159.72, 98,186.46 and 42,866.96 is: 59,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.72 : 98,186.46 = 42,866.96 : x
  2. Step 2: Convert to fraction form
    71,159.72/98,186.46 = 42,866.96/x
  3. Step 3: Cross multiply
    71,159.72x = 98,186.46 × 42,866.96
  4. Step 4: Simplify right side
    71,159.72x = 4,208,955,053.36
  5. Step 5: Solve for x
    x = 4,208,955,053.36/71,159.72
  6. Step 6: Final answer
    x = 59,148.00

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