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Finding the Fourth Proportional to 120,593.05, 180,917.15 and 41,707.20

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Solution

The fourth proportional to 120,593.05, 180,917.15 and 41,707.20 is: 62,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,593.05 : 180,917.15 = 41,707.20 : x
  2. Step 2: Convert to fraction form
    120,593.05/180,917.15 = 41,707.20/x
  3. Step 3: Cross multiply
    120,593.05x = 180,917.15 × 41,707.20
  4. Step 4: Simplify right side
    120,593.05x = 7,545,548,228.38
  5. Step 5: Solve for x
    x = 7,545,548,228.38/120,593.05
  6. Step 6: Final answer
    x = 62,570.34

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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.