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Finding the Fourth Proportional to 58,970.40, 88,455.60 and 57,998.40

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Solution

The fourth proportional to 58,970.40, 88,455.60 and 57,998.40 is: 86,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,970.40 : 88,455.60 = 57,998.40 : x
  2. Step 2: Convert to fraction form
    58,970.40/88,455.60 = 57,998.40/x
  3. Step 3: Cross multiply
    58,970.40x = 88,455.60 × 57,998.40
  4. Step 4: Simplify right side
    58,970.40x = 5,130,283,271.04
  5. Step 5: Solve for x
    x = 5,130,283,271.04/58,970.40
  6. Step 6: Final answer
    x = 86,997.60

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