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Finding the Fourth Proportional to 72,898.89, 100,600.03 and 41,078.04

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Solution

The fourth proportional to 72,898.89, 100,600.03 and 41,078.04 is: 56,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,898.89 : 100,600.03 = 41,078.04 : x
  2. Step 2: Convert to fraction form
    72,898.89/100,600.03 = 41,078.04/x
  3. Step 3: Cross multiply
    72,898.89x = 100,600.03 × 41,078.04
  4. Step 4: Simplify right side
    72,898.89x = 4,132,451,499.37
  5. Step 5: Solve for x
    x = 4,132,451,499.37/72,898.89
  6. Step 6: Final answer
    x = 56,687.44

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1.5x scale

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.