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Finding the Fourth Proportional to 98,075.60, 146,821.80 and 58,612.40

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Solution

The fourth proportional to 98,075.60, 146,821.80 and 58,612.40 is: 87,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,075.60 : 146,821.80 = 58,612.40 : x
  2. Step 2: Convert to fraction form
    98,075.60/146,821.80 = 58,612.40/x
  3. Step 3: Cross multiply
    98,075.60x = 146,821.80 × 58,612.40
  4. Step 4: Simplify right side
    98,075.60x = 8,605,578,070.32
  5. Step 5: Solve for x
    x = 8,605,578,070.32/98,075.60
  6. Step 6: Final answer
    x = 87,744.33

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