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Finding the Fourth Proportional to 177,399, 244,810.62 and 120,909.06

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Solution

The fourth proportional to 177,399, 244,810.62 and 120,909.06 is: 166,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,399 : 244,810.62 = 120,909.06 : x
  2. Step 2: Convert to fraction form
    177,399/244,810.62 = 120,909.06/x
  3. Step 3: Cross multiply
    177,399x = 244,810.62 × 120,909.06
  4. Step 4: Simplify right side
    177,399x = 29,599,821,942.22
  5. Step 5: Solve for x
    x = 29,599,821,942.22/177,399
  6. Step 6: Final answer
    x = 166,854.50

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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.