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Finding the Fourth Proportional to 89,895.87, 134,858.43 and 33,740.39

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Solution

The fourth proportional to 89,895.87, 134,858.43 and 33,740.39 is: 50,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.87 : 134,858.43 = 33,740.39 : x
  2. Step 2: Convert to fraction form
    89,895.87/134,858.43 = 33,740.39/x
  3. Step 3: Cross multiply
    89,895.87x = 134,858.43 × 33,740.39
  4. Step 4: Simplify right side
    89,895.87x = 4,550,176,360.13
  5. Step 5: Solve for x
    x = 4,550,176,360.13/89,895.87
  6. Step 6: Final answer
    x = 50,616.08

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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.