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Finding the Fourth Proportional to 89,127.87, 133,601.84 and 55,871.29

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Solution

The fourth proportional to 89,127.87, 133,601.84 and 55,871.29 is: 83,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.87 : 133,601.84 = 55,871.29 : x
  2. Step 2: Convert to fraction form
    89,127.87/133,601.84 = 55,871.29/x
  3. Step 3: Cross multiply
    89,127.87x = 133,601.84 × 55,871.29
  4. Step 4: Simplify right side
    89,127.87x = 7,464,507,010.35
  5. Step 5: Solve for x
    x = 7,464,507,010.35/89,127.87
  6. Step 6: Final answer
    x = 83,750.54

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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.