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Finding the Fourth Proportional to 230,652.89, 318,285.21 and 133,859.58

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Solution

The fourth proportional to 230,652.89, 318,285.21 and 133,859.58 is: 184,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,652.89 : 318,285.21 = 133,859.58 : x
  2. Step 2: Convert to fraction form
    230,652.89/318,285.21 = 133,859.58/x
  3. Step 3: Cross multiply
    230,652.89x = 318,285.21 × 133,859.58
  4. Step 4: Simplify right side
    230,652.89x = 42,605,524,530.81
  5. Step 5: Solve for x
    x = 42,605,524,530.81/230,652.89
  6. Step 6: Final answer
    x = 184,717.06

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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.