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Finding the Fourth Proportional to 73,518.72, 101,478.96 and 41,708.76

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Solution

The fourth proportional to 73,518.72, 101,478.96 and 41,708.76 is: 57,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518.72 : 101,478.96 = 41,708.76 : x
  2. Step 2: Convert to fraction form
    73,518.72/101,478.96 = 41,708.76/x
  3. Step 3: Cross multiply
    73,518.72x = 101,478.96 × 41,708.76
  4. Step 4: Simplify right side
    73,518.72x = 4,232,561,587.69
  5. Step 5: Solve for x
    x = 4,232,561,587.69/73,518.72
  6. Step 6: Final answer
    x = 57,571.21

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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.