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Finding the Fourth Proportional to 73,685.57, 101,688.42 and 41,852.57

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Solution

The fourth proportional to 73,685.57, 101,688.42 and 41,852.57 is: 57,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.57 : 101,688.42 = 41,852.57 : x
  2. Step 2: Convert to fraction form
    73,685.57/101,688.42 = 41,852.57/x
  3. Step 3: Cross multiply
    73,685.57x = 101,688.42 × 41,852.57
  4. Step 4: Simplify right side
    73,685.57x = 4,255,921,207.80
  5. Step 5: Solve for x
    x = 4,255,921,207.80/73,685.57
  6. Step 6: Final answer
    x = 57,757.87

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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.