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Finding the Fourth Proportional to 79,466.58, 109,644.98 and 45,011.61

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Solution

The fourth proportional to 79,466.58, 109,644.98 and 45,011.61 is: 62,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.58 : 109,644.98 = 45,011.61 : x
  2. Step 2: Convert to fraction form
    79,466.58/109,644.98 = 45,011.61/x
  3. Step 3: Cross multiply
    79,466.58x = 109,644.98 × 45,011.61
  4. Step 4: Simplify right side
    79,466.58x = 4,935,296,853.16
  5. Step 5: Solve for x
    x = 4,935,296,853.16/79,466.58
  6. Step 6: Final answer
    x = 62,105.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.