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Finding the Fourth Proportional to 72,623.92, 100,231.92 and 44,345.92

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Solution

The fourth proportional to 72,623.92, 100,231.92 and 44,345.92 is: 61,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623.92 : 100,231.92 = 44,345.92 : x
  2. Step 2: Convert to fraction form
    72,623.92/100,231.92 = 44,345.92/x
  3. Step 3: Cross multiply
    72,623.92x = 100,231.92 × 44,345.92
  4. Step 4: Simplify right side
    72,623.92x = 4,444,876,705.77
  5. Step 5: Solve for x
    x = 4,444,876,705.77/72,623.92
  6. Step 6: Final answer
    x = 61,204.03

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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.