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Finding the Fourth Proportional to 73,431.80, 101,340.89 and 41,600.96

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Solution

The fourth proportional to 73,431.80, 101,340.89 and 41,600.96 is: 57,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,431.80 : 101,340.89 = 41,600.96 : x
  2. Step 2: Convert to fraction form
    73,431.80/101,340.89 = 41,600.96/x
  3. Step 3: Cross multiply
    73,431.80x = 101,340.89 × 41,600.96
  4. Step 4: Simplify right side
    73,431.80x = 4,215,877,596.55
  5. Step 5: Solve for x
    x = 4,215,877,596.55/73,431.80
  6. Step 6: Final answer
    x = 57,412.16

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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.