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Finding the Fourth Proportional to 79,506.20, 119,259.92 and 23,347.20

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Solution

The fourth proportional to 79,506.20, 119,259.92 and 23,347.20 is: 35,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.20 : 119,259.92 = 23,347.20 : x
  2. Step 2: Convert to fraction form
    79,506.20/119,259.92 = 23,347.20/x
  3. Step 3: Cross multiply
    79,506.20x = 119,259.92 × 23,347.20
  4. Step 4: Simplify right side
    79,506.20x = 2,784,385,204.22
  5. Step 5: Solve for x
    x = 2,784,385,204.22/79,506.20
  6. Step 6: Final answer
    x = 35,020.98

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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.