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Finding the Fourth Proportional to 63,201.84, 87,219.72 and 34,906.92

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Solution

The fourth proportional to 63,201.84, 87,219.72 and 34,906.92 is: 48,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,201.84 : 87,219.72 = 34,906.92 : x
  2. Step 2: Convert to fraction form
    63,201.84/87,219.72 = 34,906.92/x
  3. Step 3: Cross multiply
    63,201.84x = 87,219.72 × 34,906.92
  4. Step 4: Simplify right side
    63,201.84x = 3,044,571,788.46
  5. Step 5: Solve for x
    x = 3,044,571,788.46/63,201.84
  6. Step 6: Final answer
    x = 48,172.20

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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.