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Finding the Fourth Proportional to 123,151.60, 184,796.60 and 66,995.63

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Solution

The fourth proportional to 123,151.60, 184,796.60 and 66,995.63 is: 100,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,151.60 : 184,796.60 = 66,995.63 : x
  2. Step 2: Convert to fraction form
    123,151.60/184,796.60 = 66,995.63/x
  3. Step 3: Cross multiply
    123,151.60x = 184,796.60 × 66,995.63
  4. Step 4: Simplify right side
    123,151.60x = 12,380,564,303.88
  5. Step 5: Solve for x
    x = 12,380,564,303.88/123,151.60
  6. Step 6: Final answer
    x = 100,531.09

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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.