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Finding the Fourth Proportional to 186,634.52, 279,869.42 and 53,484.56

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Solution

The fourth proportional to 186,634.52, 279,869.42 and 53,484.56 is: 80,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,634.52 : 279,869.42 = 53,484.56 : x
  2. Step 2: Convert to fraction form
    186,634.52/279,869.42 = 53,484.56/x
  3. Step 3: Cross multiply
    186,634.52x = 279,869.42 × 53,484.56
  4. Step 4: Simplify right side
    186,634.52x = 14,968,691,119.39
  5. Step 5: Solve for x
    x = 14,968,691,119.39/186,634.52
  6. Step 6: Final answer
    x = 80,203.23

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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.