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Finding the Fourth Proportional to 79,895.77, 119,858.23 and 62,020.69

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Solution

The fourth proportional to 79,895.77, 119,858.23 and 62,020.69 is: 93,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,895.77 : 119,858.23 = 62,020.69 : x
  2. Step 2: Convert to fraction form
    79,895.77/119,858.23 = 62,020.69/x
  3. Step 3: Cross multiply
    79,895.77x = 119,858.23 × 62,020.69
  4. Step 4: Simplify right side
    79,895.77x = 7,433,689,904.66
  5. Step 5: Solve for x
    x = 7,433,689,904.66/79,895.77
  6. Step 6: Final answer
    x = 93,042.35

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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.