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Finding the Fourth Proportional to 83,662.02, 125,493.21 and 58,813.11

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Solution

The fourth proportional to 83,662.02, 125,493.21 and 58,813.11 is: 88,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,662.02 : 125,493.21 = 58,813.11 : x
  2. Step 2: Convert to fraction form
    83,662.02/125,493.21 = 58,813.11/x
  3. Step 3: Cross multiply
    83,662.02x = 125,493.21 × 58,813.11
  4. Step 4: Simplify right side
    83,662.02x = 7,380,645,963.98
  5. Step 5: Solve for x
    x = 7,380,645,963.98/83,662.02
  6. Step 6: Final answer
    x = 88,219.79

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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.