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Finding the Fourth Proportional to 130,041.20, 195,067.20 and 41,292.20

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Solution

The fourth proportional to 130,041.20, 195,067.20 and 41,292.20 is: 61,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.20 : 195,067.20 = 41,292.20 : x
  2. Step 2: Convert to fraction form
    130,041.20/195,067.20 = 41,292.20/x
  3. Step 3: Cross multiply
    130,041.20x = 195,067.20 × 41,292.20
  4. Step 4: Simplify right side
    130,041.20x = 8,054,753,835.84
  5. Step 5: Solve for x
    x = 8,054,753,835.84/130,041.20
  6. Step 6: Final answer
    x = 61,940.01

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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.