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Finding the Fourth Proportional to 72,573.86, 100,162.86 and 44,295.98

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Solution

The fourth proportional to 72,573.86, 100,162.86 and 44,295.98 is: 61,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,573.86 : 100,162.86 = 44,295.98 : x
  2. Step 2: Convert to fraction form
    72,573.86/100,162.86 = 44,295.98/x
  3. Step 3: Cross multiply
    72,573.86x = 100,162.86 × 44,295.98
  4. Step 4: Simplify right side
    72,573.86x = 4,436,812,043.30
  5. Step 5: Solve for x
    x = 4,436,812,043.30/72,573.86
  6. Step 6: Final answer
    x = 61,135.13

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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.