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Finding the Fourth Proportional to 123,209.80, 184,814.70 and 44,326.60

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Solution

The fourth proportional to 123,209.80, 184,814.70 and 44,326.60 is: 66,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,209.80 : 184,814.70 = 44,326.60 : x
  2. Step 2: Convert to fraction form
    123,209.80/184,814.70 = 44,326.60/x
  3. Step 3: Cross multiply
    123,209.80x = 184,814.70 × 44,326.60
  4. Step 4: Simplify right side
    123,209.80x = 8,192,207,281.02
  5. Step 5: Solve for x
    x = 8,192,207,281.02/123,209.80
  6. Step 6: Final answer
    x = 66,489.90

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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.