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Finding the Fourth Proportional to 79,762.11, 119,663.91 and 29,846.11

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Solution

The fourth proportional to 79,762.11, 119,663.91 and 29,846.11 is: 44,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.11 : 119,663.91 = 29,846.11 : x
  2. Step 2: Convert to fraction form
    79,762.11/119,663.91 = 29,846.11/x
  3. Step 3: Cross multiply
    79,762.11x = 119,663.91 × 29,846.11
  4. Step 4: Simplify right side
    79,762.11x = 3,571,502,220.89
  5. Step 5: Solve for x
    x = 3,571,502,220.89/79,762.11
  6. Step 6: Final answer
    x = 44,776.93

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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.