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Finding the Fourth Proportional to 123,330.50, 184,995.75 and 40,224.50

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Solution

The fourth proportional to 123,330.50, 184,995.75 and 40,224.50 is: 60,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.50 : 184,995.75 = 40,224.50 : x
  2. Step 2: Convert to fraction form
    123,330.50/184,995.75 = 40,224.50/x
  3. Step 3: Cross multiply
    123,330.50x = 184,995.75 × 40,224.50
  4. Step 4: Simplify right side
    123,330.50x = 7,441,361,545.88
  5. Step 5: Solve for x
    x = 7,441,361,545.88/123,330.50
  6. Step 6: Final answer
    x = 60,336.75

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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.