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Finding the Fourth Proportional to 186,501.92, 279,996.76 and 110,738.80

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Solution

The fourth proportional to 186,501.92, 279,996.76 and 110,738.80 is: 166,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,501.92 : 279,996.76 = 110,738.80 : x
  2. Step 2: Convert to fraction form
    186,501.92/279,996.76 = 110,738.80/x
  3. Step 3: Cross multiply
    186,501.92x = 279,996.76 × 110,738.80
  4. Step 4: Simplify right side
    186,501.92x = 31,006,505,206.29
  5. Step 5: Solve for x
    x = 31,006,505,206.29/186,501.92
  6. Step 6: Final answer
    x = 166,253.01

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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.