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Finding the Fourth Proportional to 177,809.92, 245,381.78 and 109,873.49

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Solution

The fourth proportional to 177,809.92, 245,381.78 and 109,873.49 is: 151,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,809.92 : 245,381.78 = 109,873.49 : x
  2. Step 2: Convert to fraction form
    177,809.92/245,381.78 = 109,873.49/x
  3. Step 3: Cross multiply
    177,809.92x = 245,381.78 × 109,873.49
  4. Step 4: Simplify right side
    177,809.92x = 26,960,951,598.79
  5. Step 5: Solve for x
    x = 26,960,951,598.79/177,809.92
  6. Step 6: Final answer
    x = 151,627.94

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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.