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Finding the Fourth Proportional to 89,776.94, 134,664.57 and 34,372.94

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Solution

The fourth proportional to 89,776.94, 134,664.57 and 34,372.94 is: 51,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776.94 : 134,664.57 = 34,372.94 : x
  2. Step 2: Convert to fraction form
    89,776.94/134,664.57 = 34,372.94/x
  3. Step 3: Cross multiply
    89,776.94x = 134,664.57 × 34,372.94
  4. Step 4: Simplify right side
    89,776.94x = 4,628,816,511.41
  5. Step 5: Solve for x
    x = 4,628,816,511.41/89,776.94
  6. Step 6: Final answer
    x = 51,559.08

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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.