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Finding the Fourth Proportional to 360,662, 541,117.68 and 136,086.80

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Solution

The fourth proportional to 360,662, 541,117.68 and 136,086.80 is: 204,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,662 : 541,117.68 = 136,086.80 : x
  2. Step 2: Convert to fraction form
    360,662/541,117.68 = 136,086.80/x
  3. Step 3: Cross multiply
    360,662x = 541,117.68 × 136,086.80
  4. Step 4: Simplify right side
    360,662x = 73,638,973,494.62
  5. Step 5: Solve for x
    x = 73,638,973,494.62/360,662
  6. Step 6: Final answer
    x = 204,177.24

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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.