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Finding the Fourth Proportional to 96,559.98, 144,840.06 and 54,919.50

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Solution

The fourth proportional to 96,559.98, 144,840.06 and 54,919.50 is: 82,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,559.98 : 144,840.06 = 54,919.50 : x
  2. Step 2: Convert to fraction form
    96,559.98/144,840.06 = 54,919.50/x
  3. Step 3: Cross multiply
    96,559.98x = 144,840.06 × 54,919.50
  4. Step 4: Simplify right side
    96,559.98x = 7,954,543,675.17
  5. Step 5: Solve for x
    x = 7,954,543,675.17/96,559.98
  6. Step 6: Final answer
    x = 82,379.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.