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Finding the Fourth Proportional to 99,258.67, 136,998.57 and 61,051.06

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Solution

The fourth proportional to 99,258.67, 136,998.57 and 61,051.06 is: 84,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.67 : 136,998.57 = 61,051.06 : x
  2. Step 2: Convert to fraction form
    99,258.67/136,998.57 = 61,051.06/x
  3. Step 3: Cross multiply
    99,258.67x = 136,998.57 × 61,051.06
  4. Step 4: Simplify right side
    99,258.67x = 8,363,907,916.98
  5. Step 5: Solve for x
    x = 8,363,907,916.98/99,258.67
  6. Step 6: Final answer
    x = 84,263.75

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