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Finding the Fourth Proportional to 83,445.90, 125,184.64 and 33,529.90

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Solution

The fourth proportional to 83,445.90, 125,184.64 and 33,529.90 is: 50,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.90 : 125,184.64 = 33,529.90 : x
  2. Step 2: Convert to fraction form
    83,445.90/125,184.64 = 33,529.90/x
  3. Step 3: Cross multiply
    83,445.90x = 125,184.64 × 33,529.90
  4. Step 4: Simplify right side
    83,445.90x = 4,197,428,361.54
  5. Step 5: Solve for x
    x = 4,197,428,361.54/83,445.90
  6. Step 6: Final answer
    x = 50,301.20

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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.