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Finding the Fourth Proportional to 111,992.14, 168,006.03 and 37,114.93

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Solution

The fourth proportional to 111,992.14, 168,006.03 and 37,114.93 is: 55,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992.14 : 168,006.03 = 37,114.93 : x
  2. Step 2: Convert to fraction form
    111,992.14/168,006.03 = 37,114.93/x
  3. Step 3: Cross multiply
    111,992.14x = 168,006.03 × 37,114.93
  4. Step 4: Simplify right side
    111,992.14x = 6,235,532,043.03
  5. Step 5: Solve for x
    x = 6,235,532,043.03/111,992.14
  6. Step 6: Final answer
    x = 55,678.30

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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.