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Finding the Fourth Proportional to 101,511.01, 152,265.82 and 79,343.03

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Solution

The fourth proportional to 101,511.01, 152,265.82 and 79,343.03 is: 119,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,511.01 : 152,265.82 = 79,343.03 : x
  2. Step 2: Convert to fraction form
    101,511.01/152,265.82 = 79,343.03/x
  3. Step 3: Cross multiply
    101,511.01x = 152,265.82 × 79,343.03
  4. Step 4: Simplify right side
    101,511.01x = 12,081,231,524.23
  5. Step 5: Solve for x
    x = 12,081,231,524.23/101,511.01
  6. Step 6: Final answer
    x = 119,014.00

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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.