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Finding the Fourth Proportional to 73,445.43, 101,354.43 and 41,620.41

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Solution

The fourth proportional to 73,445.43, 101,354.43 and 41,620.41 is: 57,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,445.43 : 101,354.43 = 41,620.41 : x
  2. Step 2: Convert to fraction form
    73,445.43/101,354.43 = 41,620.41/x
  3. Step 3: Cross multiply
    73,445.43x = 101,354.43 × 41,620.41
  4. Step 4: Simplify right side
    73,445.43x = 4,218,412,931.92
  5. Step 5: Solve for x
    x = 4,218,412,931.92/73,445.43
  6. Step 6: Final answer
    x = 57,436.02

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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.