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Finding the Fourth Proportional to 150,442.99, 225,679.47 and 55,698.51

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Solution

The fourth proportional to 150,442.99, 225,679.47 and 55,698.51 is: 83,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,442.99 : 225,679.47 = 55,698.51 : x
  2. Step 2: Convert to fraction form
    150,442.99/225,679.47 = 55,698.51/x
  3. Step 3: Cross multiply
    150,442.99x = 225,679.47 × 55,698.51
  4. Step 4: Simplify right side
    150,442.99x = 12,570,010,216.59
  5. Step 5: Solve for x
    x = 12,570,010,216.59/150,442.99
  6. Step 6: Final answer
    x = 83,553.31

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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.