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Finding the Fourth Proportional to 148,858.86, 223,157.07 and 55,299

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Solution

The fourth proportional to 148,858.86, 223,157.07 and 55,299 is: 82,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,858.86 : 223,157.07 = 55,299 : x
  2. Step 2: Convert to fraction form
    148,858.86/223,157.07 = 55,299/x
  3. Step 3: Cross multiply
    148,858.86x = 223,157.07 × 55,299
  4. Step 4: Simplify right side
    148,858.86x = 12,340,362,813.93
  5. Step 5: Solve for x
    x = 12,340,362,813.93/148,858.86
  6. Step 6: Final answer
    x = 82,899.75

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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.