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Finding the Fourth Proportional to 73,455.92, 101,367.46 and 42,834.68

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Solution

The fourth proportional to 73,455.92, 101,367.46 and 42,834.68 is: 59,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,455.92 : 101,367.46 = 42,834.68 : x
  2. Step 2: Convert to fraction form
    73,455.92/101,367.46 = 42,834.68/x
  3. Step 3: Cross multiply
    73,455.92x = 101,367.46 × 42,834.68
  4. Step 4: Simplify right side
    73,455.92x = 4,342,042,711.51
  5. Step 5: Solve for x
    x = 4,342,042,711.51/73,455.92
  6. Step 6: Final answer
    x = 59,110.86

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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.