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Finding the Fourth Proportional to 186,458.01, 279,930.92 and 110,694.86

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Solution

The fourth proportional to 186,458.01, 279,930.92 and 110,694.86 is: 166,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,458.01 : 279,930.92 = 110,694.86 : x
  2. Step 2: Convert to fraction form
    186,458.01/279,930.92 = 110,694.86/x
  3. Step 3: Cross multiply
    186,458.01x = 279,930.92 × 110,694.86
  4. Step 4: Simplify right side
    186,458.01x = 30,986,913,925.89
  5. Step 5: Solve for x
    x = 30,986,913,925.89/186,458.01
  6. Step 6: Final answer
    x = 166,187.09

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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.