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Finding the Fourth Proportional to 89,172.92, 123,074.22 and 67,733.64

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Solution

The fourth proportional to 89,172.92, 123,074.22 and 67,733.64 is: 93,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,172.92 : 123,074.22 = 67,733.64 : x
  2. Step 2: Convert to fraction form
    89,172.92/123,074.22 = 67,733.64/x
  3. Step 3: Cross multiply
    89,172.92x = 123,074.22 × 67,733.64
  4. Step 4: Simplify right side
    89,172.92x = 8,336,264,910.76
  5. Step 5: Solve for x
    x = 8,336,264,910.76/89,172.92
  6. Step 6: Final answer
    x = 93,484.27

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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.