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Finding the Fourth Proportional to 79,858.04, 110,211.82 and 59,679.92

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Solution

The fourth proportional to 79,858.04, 110,211.82 and 59,679.92 is: 82,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,858.04 : 110,211.82 = 59,679.92 : x
  2. Step 2: Convert to fraction form
    79,858.04/110,211.82 = 59,679.92/x
  3. Step 3: Cross multiply
    79,858.04x = 110,211.82 × 59,679.92
  4. Step 4: Simplify right side
    79,858.04x = 6,577,432,726.98
  5. Step 5: Solve for x
    x = 6,577,432,726.98/79,858.04
  6. Step 6: Final answer
    x = 82,364.07

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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.