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Finding the Fourth Proportional to 195,469.80, 293,147.10 and 77,101.80

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Solution

The fourth proportional to 195,469.80, 293,147.10 and 77,101.80 is: 115,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,469.80 : 293,147.10 = 77,101.80 : x
  2. Step 2: Convert to fraction form
    195,469.80/293,147.10 = 77,101.80/x
  3. Step 3: Cross multiply
    195,469.80x = 293,147.10 × 77,101.80
  4. Step 4: Simplify right side
    195,469.80x = 22,602,169,074.78
  5. Step 5: Solve for x
    x = 22,602,169,074.78/195,469.80
  6. Step 6: Final answer
    x = 115,629.98

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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.