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Finding the Fourth Proportional to 153,737.80, 212,158.41 and 85,759.18

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Solution

The fourth proportional to 153,737.80, 212,158.41 and 85,759.18 is: 118,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,737.80 : 212,158.41 = 85,759.18 : x
  2. Step 2: Convert to fraction form
    153,737.80/212,158.41 = 85,759.18/x
  3. Step 3: Cross multiply
    153,737.80x = 212,158.41 × 85,759.18
  4. Step 4: Simplify right side
    153,737.80x = 18,194,531,271.70
  5. Step 5: Solve for x
    x = 18,194,531,271.70/153,737.80
  6. Step 6: Final answer
    x = 118,347.81

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