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Finding the Fourth Proportional to 186,259.65, 279,287.42 and 73,825.98

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Solution

The fourth proportional to 186,259.65, 279,287.42 and 73,825.98 is: 110,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,259.65 : 279,287.42 = 73,825.98 : x
  2. Step 2: Convert to fraction form
    186,259.65/279,287.42 = 73,825.98/x
  3. Step 3: Cross multiply
    186,259.65x = 279,287.42 × 73,825.98
  4. Step 4: Simplify right side
    186,259.65x = 20,618,667,114.04
  5. Step 5: Solve for x
    x = 20,618,667,114.04/186,259.65
  6. Step 6: Final answer
    x = 110,698.52

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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.