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Finding the Fourth Proportional to 186,274.63, 279,453.59 and 67,945.96

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Solution

The fourth proportional to 186,274.63, 279,453.59 and 67,945.96 is: 101,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,274.63 : 279,453.59 = 67,945.96 : x
  2. Step 2: Convert to fraction form
    186,274.63/279,453.59 = 67,945.96/x
  3. Step 3: Cross multiply
    186,274.63x = 279,453.59 × 67,945.96
  4. Step 4: Simplify right side
    186,274.63x = 18,987,742,108.27
  5. Step 5: Solve for x
    x = 18,987,742,108.27/186,274.63
  6. Step 6: Final answer
    x = 101,934.13

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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.