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Finding the Fourth Proportional to 186,394.13, 279,600.41 and 53,293.97

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Solution

The fourth proportional to 186,394.13, 279,600.41 and 53,293.97 is: 79,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,394.13 : 279,600.41 = 53,293.97 : x
  2. Step 2: Convert to fraction form
    186,394.13/279,600.41 = 53,293.97/x
  3. Step 3: Cross multiply
    186,394.13x = 279,600.41 × 53,293.97
  4. Step 4: Simplify right side
    186,394.13x = 14,901,015,862.53
  5. Step 5: Solve for x
    x = 14,901,015,862.53/186,394.13
  6. Step 6: Final answer
    x = 79,943.59

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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.