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Finding the Fourth Proportional to 192,349.80, 265,270.14 and 160,190.64

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Solution

The fourth proportional to 192,349.80, 265,270.14 and 160,190.64 is: 220,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,349.80 : 265,270.14 = 160,190.64 : x
  2. Step 2: Convert to fraction form
    192,349.80/265,270.14 = 160,190.64/x
  3. Step 3: Cross multiply
    192,349.80x = 265,270.14 × 160,190.64
  4. Step 4: Simplify right side
    192,349.80x = 42,493,793,499.49
  5. Step 5: Solve for x
    x = 42,493,793,499.49/192,349.80
  6. Step 6: Final answer
    x = 220,919.35

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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.