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Finding the Fourth Proportional to 186,495.96, 279,987.80 and 110,732.76

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Solution

The fourth proportional to 186,495.96, 279,987.80 and 110,732.76 is: 166,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,495.96 : 279,987.80 = 110,732.76 : x
  2. Step 2: Convert to fraction form
    186,495.96/279,987.80 = 110,732.76/x
  3. Step 3: Cross multiply
    186,495.96x = 279,987.80 × 110,732.76
  4. Step 4: Simplify right side
    186,495.96x = 31,003,821,860.33
  5. Step 5: Solve for x
    x = 31,003,821,860.33/186,495.96
  6. Step 6: Final answer
    x = 166,243.93

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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.