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Finding the Fourth Proportional to 117,806.10, 175,908.92 and 114,613.68

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Solution

The fourth proportional to 117,806.10, 175,908.92 and 114,613.68 is: 171,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,806.10 : 175,908.92 = 114,613.68 : x
  2. Step 2: Convert to fraction form
    117,806.10/175,908.92 = 114,613.68/x
  3. Step 3: Cross multiply
    117,806.10x = 175,908.92 × 114,613.68
  4. Step 4: Simplify right side
    117,806.10x = 20,161,568,752.62
  5. Step 5: Solve for x
    x = 20,161,568,752.62/117,806.10
  6. Step 6: Final answer
    x = 171,141.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.