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Finding the Fourth Proportional to 186,614.65, 279,921.98 and 61,955.65

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Solution

The fourth proportional to 186,614.65, 279,921.98 and 61,955.65 is: 92,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,614.65 : 279,921.98 = 61,955.65 : x
  2. Step 2: Convert to fraction form
    186,614.65/279,921.98 = 61,955.65/x
  3. Step 3: Cross multiply
    186,614.65x = 279,921.98 × 61,955.65
  4. Step 4: Simplify right side
    186,614.65x = 17,342,748,724.98
  5. Step 5: Solve for x
    x = 17,342,748,724.98/186,614.65
  6. Step 6: Final answer
    x = 92,933.48

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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.