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Finding the Fourth Proportional to 123,187.74, 184,781.48 and 29,693.49

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Solution

The fourth proportional to 123,187.74, 184,781.48 and 29,693.49 is: 44,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,187.74 : 184,781.48 = 29,693.49 : x
  2. Step 2: Convert to fraction form
    123,187.74/184,781.48 = 29,693.49/x
  3. Step 3: Cross multiply
    123,187.74x = 184,781.48 × 29,693.49
  4. Step 4: Simplify right side
    123,187.74x = 5,486,806,880.10
  5. Step 5: Solve for x
    x = 5,486,806,880.10/123,187.74
  6. Step 6: Final answer
    x = 44,540.20

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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.