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Finding the Fourth Proportional to 186,730.69, 279,952.45 and 96,676.87

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Solution

The fourth proportional to 186,730.69, 279,952.45 and 96,676.87 is: 144,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,730.69 : 279,952.45 = 96,676.87 : x
  2. Step 2: Convert to fraction form
    186,730.69/279,952.45 = 96,676.87/x
  3. Step 3: Cross multiply
    186,730.69x = 279,952.45 × 96,676.87
  4. Step 4: Simplify right side
    186,730.69x = 27,064,926,614.83
  5. Step 5: Solve for x
    x = 27,064,926,614.83/186,730.69
  6. Step 6: Final answer
    x = 144,940.97

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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.