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Finding the Fourth Proportional to 79,504.88, 119,256.08 and 20,340.04

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Solution

The fourth proportional to 79,504.88, 119,256.08 and 20,340.04 is: 30,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.88 : 119,256.08 = 20,340.04 : x
  2. Step 2: Convert to fraction form
    79,504.88/119,256.08 = 20,340.04/x
  3. Step 3: Cross multiply
    79,504.88x = 119,256.08 × 20,340.04
  4. Step 4: Simplify right side
    79,504.88x = 2,425,673,437.44
  5. Step 5: Solve for x
    x = 2,425,673,437.44/79,504.88
  6. Step 6: Final answer
    x = 30,509.74

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1.5x scale

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.