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Finding the Fourth Proportional to 191,213.98, 263,930.91 and 127,551.62

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Solution

The fourth proportional to 191,213.98, 263,930.91 and 127,551.62 is: 176,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,213.98 : 263,930.91 = 127,551.62 : x
  2. Step 2: Convert to fraction form
    191,213.98/263,930.91 = 127,551.62/x
  3. Step 3: Cross multiply
    191,213.98x = 263,930.91 × 127,551.62
  4. Step 4: Simplify right side
    191,213.98x = 33,664,815,138.57
  5. Step 5: Solve for x
    x = 33,664,815,138.57/191,213.98
  6. Step 6: Final answer
    x = 176,058.34

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1.5x scale

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.