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Finding the Fourth Proportional to 195,994.59, 270,484.31 and 115,475.79

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Solution

The fourth proportional to 195,994.59, 270,484.31 and 115,475.79 is: 159,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,994.59 : 270,484.31 = 115,475.79 : x
  2. Step 2: Convert to fraction form
    195,994.59/270,484.31 = 115,475.79/x
  3. Step 3: Cross multiply
    195,994.59x = 270,484.31 × 115,475.79
  4. Step 4: Simplify right side
    195,994.59x = 31,234,388,802.48
  5. Step 5: Solve for x
    x = 31,234,388,802.48/195,994.59
  6. Step 6: Final answer
    x = 159,363.53

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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.