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Finding the Fourth Proportional to 186,729.69, 279,950.96 and 96,675.87

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Solution

The fourth proportional to 186,729.69, 279,950.96 and 96,675.87 is: 144,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,729.69 : 279,950.96 = 96,675.87 : x
  2. Step 2: Convert to fraction form
    186,729.69/279,950.96 = 96,675.87/x
  3. Step 3: Cross multiply
    186,729.69x = 279,950.96 × 96,675.87
  4. Step 4: Simplify right side
    186,729.69x = 27,064,502,131.96
  5. Step 5: Solve for x
    x = 27,064,502,131.96/186,729.69
  6. Step 6: Final answer
    x = 144,939.47

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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.