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Finding the Fourth Proportional to 186,615.44, 279,923.17 and 61,956.44

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Solution

The fourth proportional to 186,615.44, 279,923.17 and 61,956.44 is: 92,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,615.44 : 279,923.17 = 61,956.44 : x
  2. Step 2: Convert to fraction form
    186,615.44/279,923.17 = 61,956.44/x
  3. Step 3: Cross multiply
    186,615.44x = 279,923.17 × 61,956.44
  4. Step 4: Simplify right side
    186,615.44x = 17,343,043,086.71
  5. Step 5: Solve for x
    x = 17,343,043,086.71/186,615.44
  6. Step 6: Final answer
    x = 92,934.66

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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.