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Finding the Fourth Proportional to 73,511.63, 101,408.66 and 48,032.90

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Solution

The fourth proportional to 73,511.63, 101,408.66 and 48,032.90 is: 66,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,511.63 : 101,408.66 = 48,032.90 : x
  2. Step 2: Convert to fraction form
    73,511.63/101,408.66 = 48,032.90/x
  3. Step 3: Cross multiply
    73,511.63x = 101,408.66 × 48,032.90
  4. Step 4: Simplify right side
    73,511.63x = 4,870,952,024.91
  5. Step 5: Solve for x
    x = 4,870,952,024.91/73,511.63
  6. Step 6: Final answer
    x = 66,260.97

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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.