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Finding the Fourth Proportional to 89,152.94, 133,639.44 and 55,896.38

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Solution

The fourth proportional to 89,152.94, 133,639.44 and 55,896.38 is: 83,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,152.94 : 133,639.44 = 55,896.38 : x
  2. Step 2: Convert to fraction form
    89,152.94/133,639.44 = 55,896.38/x
  3. Step 3: Cross multiply
    89,152.94x = 133,639.44 × 55,896.38
  4. Step 4: Simplify right side
    89,152.94x = 7,469,960,921.23
  5. Step 5: Solve for x
    x = 7,469,960,921.23/89,152.94
  6. Step 6: Final answer
    x = 83,788.16

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1.5x scale

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.