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Finding the Fourth Proportional to 73,333.05, 101,219.67 and 68,346.69

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Solution

The fourth proportional to 73,333.05, 101,219.67 and 68,346.69 is: 94,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,333.05 : 101,219.67 = 68,346.69 : x
  2. Step 2: Convert to fraction form
    73,333.05/101,219.67 = 68,346.69/x
  3. Step 3: Cross multiply
    73,333.05x = 101,219.67 × 68,346.69
  4. Step 4: Simplify right side
    73,333.05x = 6,918,029,407.39
  5. Step 5: Solve for x
    x = 6,918,029,407.39/73,333.05
  6. Step 6: Final answer
    x = 94,337.13

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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.