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Finding the Fourth Proportional to 71,242.88, 106,794.88 and 29,701.76

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Solution

The fourth proportional to 71,242.88, 106,794.88 and 29,701.76 is: 44,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242.88 : 106,794.88 = 29,701.76 : x
  2. Step 2: Convert to fraction form
    71,242.88/106,794.88 = 29,701.76/x
  3. Step 3: Cross multiply
    71,242.88x = 106,794.88 × 29,701.76
  4. Step 4: Simplify right side
    71,242.88x = 3,171,995,894.99
  5. Step 5: Solve for x
    x = 3,171,995,894.99/71,242.88
  6. Step 6: Final answer
    x = 44,523.69

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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.