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Finding the Fourth Proportional to 230,622.32, 318,266.70 and 133,818.88

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Solution

The fourth proportional to 230,622.32, 318,266.70 and 133,818.88 is: 184,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,622.32 : 318,266.70 = 133,818.88 : x
  2. Step 2: Convert to fraction form
    230,622.32/318,266.70 = 133,818.88/x
  3. Step 3: Cross multiply
    230,622.32x = 318,266.70 × 133,818.88
  4. Step 4: Simplify right side
    230,622.32x = 42,590,093,335.30
  5. Step 5: Solve for x
    x = 42,590,093,335.30/230,622.32
  6. Step 6: Final answer
    x = 184,674.64

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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.