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Finding the Fourth Proportional to 79,782.90, 119,674.38 and 62,267.46

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Solution

The fourth proportional to 79,782.90, 119,674.38 and 62,267.46 is: 93,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.90 : 119,674.38 = 62,267.46 : x
  2. Step 2: Convert to fraction form
    79,782.90/119,674.38 = 62,267.46/x
  3. Step 3: Cross multiply
    79,782.90x = 119,674.38 × 62,267.46
  4. Step 4: Simplify right side
    79,782.90x = 7,451,819,669.67
  5. Step 5: Solve for x
    x = 7,451,819,669.67/79,782.90
  6. Step 6: Final answer
    x = 93,401.21

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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.