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Finding the Fourth Proportional to 73,099.45, 100,883.10 and 58,115.76

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Solution

The fourth proportional to 73,099.45, 100,883.10 and 58,115.76 is: 80,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099.45 : 100,883.10 = 58,115.76 : x
  2. Step 2: Convert to fraction form
    73,099.45/100,883.10 = 58,115.76/x
  3. Step 3: Cross multiply
    73,099.45x = 100,883.10 × 58,115.76
  4. Step 4: Simplify right side
    73,099.45x = 5,862,897,944.39
  5. Step 5: Solve for x
    x = 5,862,897,944.39/73,099.45
  6. Step 6: Final answer
    x = 80,204.41

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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.