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Finding the Fourth Proportional to 117,594.38, 176,412.84 and 42,819.49

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Solution

The fourth proportional to 117,594.38, 176,412.84 and 42,819.49 is: 64,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.38 : 176,412.84 = 42,819.49 : x
  2. Step 2: Convert to fraction form
    117,594.38/176,412.84 = 42,819.49/x
  3. Step 3: Cross multiply
    117,594.38x = 176,412.84 × 42,819.49
  4. Step 4: Simplify right side
    117,594.38x = 7,553,906,905.87
  5. Step 5: Solve for x
    x = 7,553,906,905.87/117,594.38
  6. Step 6: Final answer
    x = 64,236.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.