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Finding the Fourth Proportional to 119,814.54, 179,922.33 and 115,046.70

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Solution

The fourth proportional to 119,814.54, 179,922.33 and 115,046.70 is: 172,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.54 : 179,922.33 = 115,046.70 : x
  2. Step 2: Convert to fraction form
    119,814.54/179,922.33 = 115,046.70/x
  3. Step 3: Cross multiply
    119,814.54x = 179,922.33 × 115,046.70
  4. Step 4: Simplify right side
    119,814.54x = 20,699,470,322.81
  5. Step 5: Solve for x
    x = 20,699,470,322.81/119,814.54
  6. Step 6: Final answer
    x = 172,762.59

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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.