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Finding the Fourth Proportional to 104,304.51, 143,948.52 and 58,992.03

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Solution

The fourth proportional to 104,304.51, 143,948.52 and 58,992.03 is: 81,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,304.51 : 143,948.52 = 58,992.03 : x
  2. Step 2: Convert to fraction form
    104,304.51/143,948.52 = 58,992.03/x
  3. Step 3: Cross multiply
    104,304.51x = 143,948.52 × 58,992.03
  4. Step 4: Simplify right side
    104,304.51x = 8,491,815,410.30
  5. Step 5: Solve for x
    x = 8,491,815,410.30/104,304.51
  6. Step 6: Final answer
    x = 81,413.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.