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Finding the Fourth Proportional to 71,889.22, 99,209.12 and 41,264.94

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Solution

The fourth proportional to 71,889.22, 99,209.12 and 41,264.94 is: 56,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,889.22 : 99,209.12 = 41,264.94 : x
  2. Step 2: Convert to fraction form
    71,889.22/99,209.12 = 41,264.94/x
  3. Step 3: Cross multiply
    71,889.22x = 99,209.12 × 41,264.94
  4. Step 4: Simplify right side
    71,889.22x = 4,093,858,384.25
  5. Step 5: Solve for x
    x = 4,093,858,384.25/71,889.22
  6. Step 6: Final answer
    x = 56,946.76

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1.5x scale

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.