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Finding the Fourth Proportional to 89,089.45, 122,914.52 and 60,745.93

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Solution

The fourth proportional to 89,089.45, 122,914.52 and 60,745.93 is: 83,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,089.45 : 122,914.52 = 60,745.93 : x
  2. Step 2: Convert to fraction form
    89,089.45/122,914.52 = 60,745.93/x
  3. Step 3: Cross multiply
    89,089.45x = 122,914.52 × 60,745.93
  4. Step 4: Simplify right side
    89,089.45x = 7,466,556,827.90
  5. Step 5: Solve for x
    x = 7,466,556,827.90/89,089.45
  6. Step 6: Final answer
    x = 83,809.66

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