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Finding the Fourth Proportional to 98,878.70, 148,252.52 and 54,526.70

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Solution

The fourth proportional to 98,878.70, 148,252.52 and 54,526.70 is: 81,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.70 : 148,252.52 = 54,526.70 : x
  2. Step 2: Convert to fraction form
    98,878.70/148,252.52 = 54,526.70/x
  3. Step 3: Cross multiply
    98,878.70x = 148,252.52 × 54,526.70
  4. Step 4: Simplify right side
    98,878.70x = 8,083,720,682.28
  5. Step 5: Solve for x
    x = 8,083,720,682.28/98,878.70
  6. Step 6: Final answer
    x = 81,753.91

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