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Finding the Fourth Proportional to 97,779.71, 134,936.06 and 53,067.71

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Solution

The fourth proportional to 97,779.71, 134,936.06 and 53,067.71 is: 73,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.71 : 134,936.06 = 53,067.71 : x
  2. Step 2: Convert to fraction form
    97,779.71/134,936.06 = 53,067.71/x
  3. Step 3: Cross multiply
    97,779.71x = 134,936.06 × 53,067.71
  4. Step 4: Simplify right side
    97,779.71x = 7,160,747,700.62
  5. Step 5: Solve for x
    x = 7,160,747,700.62/97,779.71
  6. Step 6: Final answer
    x = 73,233.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.