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Finding the Fourth Proportional to 89,846.72, 134,853.08 and 45,504.64

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Solution

The fourth proportional to 89,846.72, 134,853.08 and 45,504.64 is: 68,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.72 : 134,853.08 = 45,504.64 : x
  2. Step 2: Convert to fraction form
    89,846.72/134,853.08 = 45,504.64/x
  3. Step 3: Cross multiply
    89,846.72x = 134,853.08 × 45,504.64
  4. Step 4: Simplify right side
    89,846.72x = 6,136,440,858.29
  5. Step 5: Solve for x
    x = 6,136,440,858.29/89,846.72
  6. Step 6: Final answer
    x = 68,299.00

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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.