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Finding the Fourth Proportional to 191,979.99, 264,809.03 and 116,528.49

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Solution

The fourth proportional to 191,979.99, 264,809.03 and 116,528.49 is: 160,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,979.99 : 264,809.03 = 116,528.49 : x
  2. Step 2: Convert to fraction form
    191,979.99/264,809.03 = 116,528.49/x
  3. Step 3: Cross multiply
    191,979.99x = 264,809.03 × 116,528.49
  4. Step 4: Simplify right side
    191,979.99x = 30,857,795,371.54
  5. Step 5: Solve for x
    x = 30,857,795,371.54/191,979.99
  6. Step 6: Final answer
    x = 160,734.44

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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.