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Finding the Fourth Proportional to 123,172.68, 184,620.78 and 60,886.92

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Solution

The fourth proportional to 123,172.68, 184,620.78 and 60,886.92 is: 91,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,172.68 : 184,620.78 = 60,886.92 : x
  2. Step 2: Convert to fraction form
    123,172.68/184,620.78 = 60,886.92/x
  3. Step 3: Cross multiply
    123,172.68x = 184,620.78 × 60,886.92
  4. Step 4: Simplify right side
    123,172.68x = 11,240,990,662.20
  5. Step 5: Solve for x
    x = 11,240,990,662.20/123,172.68
  6. Step 6: Final answer
    x = 91,262.04

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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.