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Finding the Fourth Proportional to 73,511.76, 101,446.92 and 43,698

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Solution

The fourth proportional to 73,511.76, 101,446.92 and 43,698 is: 60,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,511.76 : 101,446.92 = 43,698 : x
  2. Step 2: Convert to fraction form
    73,511.76/101,446.92 = 43,698/x
  3. Step 3: Cross multiply
    73,511.76x = 101,446.92 × 43,698
  4. Step 4: Simplify right side
    73,511.76x = 4,433,027,510.16
  5. Step 5: Solve for x
    x = 4,433,027,510.16/73,511.76
  6. Step 6: Final answer
    x = 60,303.65

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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.