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Finding the Fourth Proportional to 72,875.69, 100,550.86 and 41,044.58

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Solution

The fourth proportional to 72,875.69, 100,550.86 and 41,044.58 is: 56,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.69 : 100,550.86 = 41,044.58 : x
  2. Step 2: Convert to fraction form
    72,875.69/100,550.86 = 41,044.58/x
  3. Step 3: Cross multiply
    72,875.69x = 100,550.86 × 41,044.58
  4. Step 4: Simplify right side
    72,875.69x = 4,127,067,817.34
  5. Step 5: Solve for x
    x = 4,127,067,817.34/72,875.69
  6. Step 6: Final answer
    x = 56,631.61

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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.