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Finding the Fourth Proportional to 88,858.52, 133,172.96 and 66,496.44

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Solution

The fourth proportional to 88,858.52, 133,172.96 and 66,496.44 is: 99,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,858.52 : 133,172.96 = 66,496.44 : x
  2. Step 2: Convert to fraction form
    88,858.52/133,172.96 = 66,496.44/x
  3. Step 3: Cross multiply
    88,858.52x = 133,172.96 × 66,496.44
  4. Step 4: Simplify right side
    88,858.52x = 8,855,527,411.78
  5. Step 5: Solve for x
    x = 8,855,527,411.78/88,858.52
  6. Step 6: Final answer
    x = 99,658.74

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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.