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Finding the Fourth Proportional to 123,250.60, 184,875.92 and 40,144.60

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Solution

The fourth proportional to 123,250.60, 184,875.92 and 40,144.60 is: 60,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,250.60 : 184,875.92 = 40,144.60 : x
  2. Step 2: Convert to fraction form
    123,250.60/184,875.92 = 40,144.60/x
  3. Step 3: Cross multiply
    123,250.60x = 184,875.92 × 40,144.60
  4. Step 4: Simplify right side
    123,250.60x = 7,421,769,858.03
  5. Step 5: Solve for x
    x = 7,421,769,858.03/123,250.60
  6. Step 6: Final answer
    x = 60,216.91

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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.