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Finding the Fourth Proportional to 79,998.42, 119,882.51 and 58,771.77

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Solution

The fourth proportional to 79,998.42, 119,882.51 and 58,771.77 is: 88,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,998.42 : 119,882.51 = 58,771.77 : x
  2. Step 2: Convert to fraction form
    79,998.42/119,882.51 = 58,771.77/x
  3. Step 3: Cross multiply
    79,998.42x = 119,882.51 × 58,771.77
  4. Step 4: Simplify right side
    79,998.42x = 7,045,707,304.74
  5. Step 5: Solve for x
    x = 7,045,707,304.74/79,998.42
  6. Step 6: Final answer
    x = 88,073.08

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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.