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Finding the Fourth Proportional to 168,599.85, 253,041.66 and 84,334.74

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Solution

The fourth proportional to 168,599.85, 253,041.66 and 84,334.74 is: 126,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,599.85 : 253,041.66 = 84,334.74 : x
  2. Step 2: Convert to fraction form
    168,599.85/253,041.66 = 84,334.74/x
  3. Step 3: Cross multiply
    168,599.85x = 253,041.66 × 84,334.74
  4. Step 4: Simplify right side
    168,599.85x = 21,340,202,605.27
  5. Step 5: Solve for x
    x = 21,340,202,605.27/168,599.85
  6. Step 6: Final answer
    x = 126,573.08

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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.