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Finding the Fourth Proportional to 343,862.80, 515,794.20 and 94,544.80

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Solution

The fourth proportional to 343,862.80, 515,794.20 and 94,544.80 is: 141,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,862.80 : 515,794.20 = 94,544.80 : x
  2. Step 2: Convert to fraction form
    343,862.80/515,794.20 = 94,544.80/x
  3. Step 3: Cross multiply
    343,862.80x = 515,794.20 × 94,544.80
  4. Step 4: Simplify right side
    343,862.80x = 48,765,659,480.16
  5. Step 5: Solve for x
    x = 48,765,659,480.16/343,862.80
  6. Step 6: Final answer
    x = 141,817.20

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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.