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Finding the Fourth Proportional to 73,157.67, 100,965.78 and 41,328.62

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Solution

The fourth proportional to 73,157.67, 100,965.78 and 41,328.62 is: 57,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,157.67 : 100,965.78 = 41,328.62 : x
  2. Step 2: Convert to fraction form
    73,157.67/100,965.78 = 41,328.62/x
  3. Step 3: Cross multiply
    73,157.67x = 100,965.78 × 41,328.62
  4. Step 4: Simplify right side
    73,157.67x = 4,172,775,746.47
  5. Step 5: Solve for x
    x = 4,172,775,746.47/73,157.67
  6. Step 6: Final answer
    x = 57,038.12

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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.