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Finding the Fourth Proportional to 73,788.50, 101,832.90 and 41,960.36

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Solution

The fourth proportional to 73,788.50, 101,832.90 and 41,960.36 is: 57,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788.50 : 101,832.90 = 41,960.36 : x
  2. Step 2: Convert to fraction form
    73,788.50/101,832.90 = 41,960.36/x
  3. Step 3: Cross multiply
    73,788.50x = 101,832.90 × 41,960.36
  4. Step 4: Simplify right side
    73,788.50x = 4,272,945,143.84
  5. Step 5: Solve for x
    x = 4,272,945,143.84/73,788.50
  6. Step 6: Final answer
    x = 57,908.01

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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.