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Finding the Fourth Proportional to 230,575.24, 318,190.98 and 129,973.24

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Solution

The fourth proportional to 230,575.24, 318,190.98 and 129,973.24 is: 179,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,575.24 : 318,190.98 = 129,973.24 : x
  2. Step 2: Convert to fraction form
    230,575.24/318,190.98 = 129,973.24/x
  3. Step 3: Cross multiply
    230,575.24x = 318,190.98 × 129,973.24
  4. Step 4: Simplify right side
    230,575.24x = 41,356,312,609.38
  5. Step 5: Solve for x
    x = 41,356,312,609.38/230,575.24
  6. Step 6: Final answer
    x = 179,361.46

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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.