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Finding the Fourth Proportional to 177,645.96, 245,219.40 and 109,674

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Solution

The fourth proportional to 177,645.96, 245,219.40 and 109,674 is: 151,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,645.96 : 245,219.40 = 109,674 : x
  2. Step 2: Convert to fraction form
    177,645.96/245,219.40 = 109,674/x
  3. Step 3: Cross multiply
    177,645.96x = 245,219.40 × 109,674
  4. Step 4: Simplify right side
    177,645.96x = 26,894,192,475.60
  5. Step 5: Solve for x
    x = 26,894,192,475.60/177,645.96
  6. Step 6: Final answer
    x = 151,392.09

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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.