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Finding the Fourth Proportional to 73,125.92, 100,908.24 and 41,290.40

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Solution

The fourth proportional to 73,125.92, 100,908.24 and 41,290.40 is: 56,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.92 : 100,908.24 = 41,290.40 : x
  2. Step 2: Convert to fraction form
    73,125.92/100,908.24 = 41,290.40/x
  3. Step 3: Cross multiply
    73,125.92x = 100,908.24 × 41,290.40
  4. Step 4: Simplify right side
    73,125.92x = 4,166,541,592.90
  5. Step 5: Solve for x
    x = 4,166,541,592.90/73,125.92
  6. Step 6: Final answer
    x = 56,977.63

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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.