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Finding the Fourth Proportional to 89,293.12, 133,962.20 and 63,049.12

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Solution

The fourth proportional to 89,293.12, 133,962.20 and 63,049.12 is: 94,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.12 : 133,962.20 = 63,049.12 : x
  2. Step 2: Convert to fraction form
    89,293.12/133,962.20 = 63,049.12/x
  3. Step 3: Cross multiply
    89,293.12x = 133,962.20 × 63,049.12
  4. Step 4: Simplify right side
    89,293.12x = 8,446,198,823.26
  5. Step 5: Solve for x
    x = 8,446,198,823.26/89,293.12
  6. Step 6: Final answer
    x = 94,589.58

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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.