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Finding the Fourth Proportional to 116,081.96, 174,137.11 and 45,005.81

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Solution

The fourth proportional to 116,081.96, 174,137.11 and 45,005.81 is: 67,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,081.96 : 174,137.11 = 45,005.81 : x
  2. Step 2: Convert to fraction form
    116,081.96/174,137.11 = 45,005.81/x
  3. Step 3: Cross multiply
    116,081.96x = 174,137.11 × 45,005.81
  4. Step 4: Simplify right side
    116,081.96x = 7,837,180,703.41
  5. Step 5: Solve for x
    x = 7,837,180,703.41/116,081.96
  6. Step 6: Final answer
    x = 67,514.20

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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.