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Finding the Fourth Proportional to 58,175.60, 87,047.40 and 42,623.60

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Solution

The fourth proportional to 58,175.60, 87,047.40 and 42,623.60 is: 63,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.60 : 87,047.40 = 42,623.60 : x
  2. Step 2: Convert to fraction form
    58,175.60/87,047.40 = 42,623.60/x
  3. Step 3: Cross multiply
    58,175.60x = 87,047.40 × 42,623.60
  4. Step 4: Simplify right side
    58,175.60x = 3,710,273,558.64
  5. Step 5: Solve for x
    x = 3,710,273,558.64/58,175.60
  6. Step 6: Final answer
    x = 63,777.14

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