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Finding the Fourth Proportional to 73,488.38, 101,411.01 and 43,274.97

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Solution

The fourth proportional to 73,488.38, 101,411.01 and 43,274.97 is: 59,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488.38 : 101,411.01 = 43,274.97 : x
  2. Step 2: Convert to fraction form
    73,488.38/101,411.01 = 43,274.97/x
  3. Step 3: Cross multiply
    73,488.38x = 101,411.01 × 43,274.97
  4. Step 4: Simplify right side
    73,488.38x = 4,388,558,415.42
  5. Step 5: Solve for x
    x = 4,388,558,415.42/73,488.38
  6. Step 6: Final answer
    x = 59,717.72

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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.