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Finding the Fourth Proportional to 180,344.58, 248,861.79 and 99,770.37

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Solution

The fourth proportional to 180,344.58, 248,861.79 and 99,770.37 is: 137,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,344.58 : 248,861.79 = 99,770.37 : x
  2. Step 2: Convert to fraction form
    180,344.58/248,861.79 = 99,770.37/x
  3. Step 3: Cross multiply
    180,344.58x = 248,861.79 × 99,770.37
  4. Step 4: Simplify right side
    180,344.58x = 24,829,032,867.16
  5. Step 5: Solve for x
    x = 24,829,032,867.16/180,344.58
  6. Step 6: Final answer
    x = 137,675.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.