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Finding the Fourth Proportional to 154,613.46, 231,922.35 and 43,805.46

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Solution

The fourth proportional to 154,613.46, 231,922.35 and 43,805.46 is: 65,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,613.46 : 231,922.35 = 43,805.46 : x
  2. Step 2: Convert to fraction form
    154,613.46/231,922.35 = 43,805.46/x
  3. Step 3: Cross multiply
    154,613.46x = 231,922.35 × 43,805.46
  4. Step 4: Simplify right side
    154,613.46x = 10,159,465,226.03
  5. Step 5: Solve for x
    x = 10,159,465,226.03/154,613.46
  6. Step 6: Final answer
    x = 65,708.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.