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Finding the Fourth Proportional to 79,697.05, 119,463.56 and 35,344.69

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Solution

The fourth proportional to 79,697.05, 119,463.56 and 35,344.69 is: 52,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,697.05 : 119,463.56 = 35,344.69 : x
  2. Step 2: Convert to fraction form
    79,697.05/119,463.56 = 35,344.69/x
  3. Step 3: Cross multiply
    79,697.05x = 119,463.56 × 35,344.69
  4. Step 4: Simplify right side
    79,697.05x = 4,222,402,151.66
  5. Step 5: Solve for x
    x = 4,222,402,151.66/79,697.05
  6. Step 6: Final answer
    x = 52,980.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.