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Finding the Fourth Proportional to 73,707.15, 101,715.90 and 41,876.10

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Solution

The fourth proportional to 73,707.15, 101,715.90 and 41,876.10 is: 57,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,707.15 : 101,715.90 = 41,876.10 : x
  2. Step 2: Convert to fraction form
    73,707.15/101,715.90 = 41,876.10/x
  3. Step 3: Cross multiply
    73,707.15x = 101,715.90 × 41,876.10
  4. Step 4: Simplify right side
    73,707.15x = 4,259,465,199.99
  5. Step 5: Solve for x
    x = 4,259,465,199.99/73,707.15
  6. Step 6: Final answer
    x = 57,789.04

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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.