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Finding the Fourth Proportional to 150,237.54, 225,386.39 and 55,468.31

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Solution

The fourth proportional to 150,237.54, 225,386.39 and 55,468.31 is: 83,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,237.54 : 225,386.39 = 55,468.31 : x
  2. Step 2: Convert to fraction form
    150,237.54/225,386.39 = 55,468.31/x
  3. Step 3: Cross multiply
    150,237.54x = 225,386.39 × 55,468.31
  4. Step 4: Simplify right side
    150,237.54x = 12,501,800,746.03
  5. Step 5: Solve for x
    x = 12,501,800,746.03/150,237.54
  6. Step 6: Final answer
    x = 83,213.56

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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.