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Finding the Fourth Proportional to 186,036.75, 279,055.14 and 54,708.75

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Solution

The fourth proportional to 186,036.75, 279,055.14 and 54,708.75 is: 82,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,036.75 : 279,055.14 = 54,708.75 : x
  2. Step 2: Convert to fraction form
    186,036.75/279,055.14 = 54,708.75/x
  3. Step 3: Cross multiply
    186,036.75x = 279,055.14 × 54,708.75
  4. Step 4: Simplify right side
    186,036.75x = 15,266,757,890.48
  5. Step 5: Solve for x
    x = 15,266,757,890.48/186,036.75
  6. Step 6: Final answer
    x = 82,063.13

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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.