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Finding the Fourth Proportional to 58,191.40, 87,416.70 and 55,829.80

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Solution

The fourth proportional to 58,191.40, 87,416.70 and 55,829.80 is: 83,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,191.40 : 87,416.70 = 55,829.80 : x
  2. Step 2: Convert to fraction form
    58,191.40/87,416.70 = 55,829.80/x
  3. Step 3: Cross multiply
    58,191.40x = 87,416.70 × 55,829.80
  4. Step 4: Simplify right side
    58,191.40x = 4,880,456,877.66
  5. Step 5: Solve for x
    x = 4,880,456,877.66/58,191.40
  6. Step 6: Final answer
    x = 83,869.04

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