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Finding the Fourth Proportional to 186,042.63, 279,062.90 and 67,713.97

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Solution

The fourth proportional to 186,042.63, 279,062.90 and 67,713.97 is: 101,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,042.63 : 279,062.90 = 67,713.97 : x
  2. Step 2: Convert to fraction form
    186,042.63/279,062.90 = 67,713.97/x
  3. Step 3: Cross multiply
    186,042.63x = 279,062.90 × 67,713.97
  4. Step 4: Simplify right side
    186,042.63x = 18,896,456,838.71
  5. Step 5: Solve for x
    x = 18,896,456,838.71/186,042.63
  6. Step 6: Final answer
    x = 101,570.57

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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.