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Finding the Fourth Proportional to 230,767.80, 318,350.36 and 150,165.92

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Solution

The fourth proportional to 230,767.80, 318,350.36 and 150,165.92 is: 207,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,767.80 : 318,350.36 = 150,165.92 : x
  2. Step 2: Convert to fraction form
    230,767.80/318,350.36 = 150,165.92/x
  3. Step 3: Cross multiply
    230,767.80x = 318,350.36 × 150,165.92
  4. Step 4: Simplify right side
    230,767.80x = 47,805,372,349.15
  5. Step 5: Solve for x
    x = 47,805,372,349.15/230,767.80
  6. Step 6: Final answer
    x = 207,157.90

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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.