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Finding the Fourth Proportional to 73,542.87, 101,485.98 and 40,835.27

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Solution

The fourth proportional to 73,542.87, 101,485.98 and 40,835.27 is: 56,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,542.87 : 101,485.98 = 40,835.27 : x
  2. Step 2: Convert to fraction form
    73,542.87/101,485.98 = 40,835.27/x
  3. Step 3: Cross multiply
    73,542.87x = 101,485.98 × 40,835.27
  4. Step 4: Simplify right side
    73,542.87x = 4,144,207,648.23
  5. Step 5: Solve for x
    x = 4,144,207,648.23/73,542.87
  6. Step 6: Final answer
    x = 56,350.91

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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.