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Finding the Fourth Proportional to 130,563.20, 195,859.20 and 41,801.60

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Solution

The fourth proportional to 130,563.20, 195,859.20 and 41,801.60 is: 62,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563.20 : 195,859.20 = 41,801.60 : x
  2. Step 2: Convert to fraction form
    130,563.20/195,859.20 = 41,801.60/x
  3. Step 3: Cross multiply
    130,563.20x = 195,859.20 × 41,801.60
  4. Step 4: Simplify right side
    130,563.20x = 8,187,227,934.72
  5. Step 5: Solve for x
    x = 8,187,227,934.72/130,563.20
  6. Step 6: Final answer
    x = 62,707.01

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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.