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Finding the Fourth Proportional to 103,690.65, 155,535.98 and 51,202.65

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Solution

The fourth proportional to 103,690.65, 155,535.98 and 51,202.65 is: 76,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.65 : 155,535.98 = 51,202.65 : x
  2. Step 2: Convert to fraction form
    103,690.65/155,535.98 = 51,202.65/x
  3. Step 3: Cross multiply
    103,690.65x = 155,535.98 × 51,202.65
  4. Step 4: Simplify right side
    103,690.65x = 7,963,854,346.35
  5. Step 5: Solve for x
    x = 7,963,854,346.35/103,690.65
  6. Step 6: Final answer
    x = 76,803.98

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