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Finding the Fourth Proportional to 150,647.99, 225,985.28 and 55,879.25

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Solution

The fourth proportional to 150,647.99, 225,985.28 and 55,879.25 is: 83,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,647.99 : 225,985.28 = 55,879.25 : x
  2. Step 2: Convert to fraction form
    150,647.99/225,985.28 = 55,879.25/x
  3. Step 3: Cross multiply
    150,647.99x = 225,985.28 × 55,879.25
  4. Step 4: Simplify right side
    150,647.99x = 12,627,886,548.12
  5. Step 5: Solve for x
    x = 12,627,886,548.12/150,647.99
  6. Step 6: Final answer
    x = 83,823.80

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1.5x scale

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.