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Finding the Fourth Proportional to 150,605.28, 225,763.92 and 55,810.08

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Solution

The fourth proportional to 150,605.28, 225,763.92 and 55,810.08 is: 83,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,605.28 : 225,763.92 = 55,810.08 : x
  2. Step 2: Convert to fraction form
    150,605.28/225,763.92 = 55,810.08/x
  3. Step 3: Cross multiply
    150,605.28x = 225,763.92 × 55,810.08
  4. Step 4: Simplify right side
    150,605.28x = 12,599,902,436.31
  5. Step 5: Solve for x
    x = 12,599,902,436.31/150,605.28
  6. Step 6: Final answer
    x = 83,661.76

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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.