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Finding the Fourth Proportional to 99,605.40, 149,699.70 and 97,855.80

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Solution

The fourth proportional to 99,605.40, 149,699.70 and 97,855.80 is: 147,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,605.40 : 149,699.70 = 97,855.80 : x
  2. Step 2: Convert to fraction form
    99,605.40/149,699.70 = 97,855.80/x
  3. Step 3: Cross multiply
    99,605.40x = 149,699.70 × 97,855.80
  4. Step 4: Simplify right side
    99,605.40x = 14,648,983,903.26
  5. Step 5: Solve for x
    x = 14,648,983,903.26/99,605.40
  6. Step 6: Final answer
    x = 147,070.18

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