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Finding the Fourth Proportional to 79,862.58, 110,245.78 and 51,582.06

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Solution

The fourth proportional to 79,862.58, 110,245.78 and 51,582.06 is: 71,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,862.58 : 110,245.78 = 51,582.06 : x
  2. Step 2: Convert to fraction form
    79,862.58/110,245.78 = 51,582.06/x
  3. Step 3: Cross multiply
    79,862.58x = 110,245.78 × 51,582.06
  4. Step 4: Simplify right side
    79,862.58x = 5,686,704,438.71
  5. Step 5: Solve for x
    x = 5,686,704,438.71/79,862.58
  6. Step 6: Final answer
    x = 71,206.12

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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.