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Finding the Fourth Proportional to 120,877.01, 181,315.49 and 37,771.01

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Solution

The fourth proportional to 120,877.01, 181,315.49 and 37,771.01 is: 56,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,877.01 : 181,315.49 = 37,771.01 : x
  2. Step 2: Convert to fraction form
    120,877.01/181,315.49 = 37,771.01/x
  3. Step 3: Cross multiply
    120,877.01x = 181,315.49 × 37,771.01
  4. Step 4: Simplify right side
    120,877.01x = 6,848,469,450.38
  5. Step 5: Solve for x
    x = 6,848,469,450.38/120,877.01
  6. Step 6: Final answer
    x = 56,656.51

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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.