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Finding the Fourth Proportional to 230,599.78, 318,213.98 and 133,796.14

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Solution

The fourth proportional to 230,599.78, 318,213.98 and 133,796.14 is: 184,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,599.78 : 318,213.98 = 133,796.14 : x
  2. Step 2: Convert to fraction form
    230,599.78/318,213.98 = 133,796.14/x
  3. Step 3: Cross multiply
    230,599.78x = 318,213.98 × 133,796.14
  4. Step 4: Simplify right side
    230,599.78x = 42,575,802,218.04
  5. Step 5: Solve for x
    x = 42,575,802,218.04/230,599.78
  6. Step 6: Final answer
    x = 184,630.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.