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Finding the Fourth Proportional to 230,369.56, 345,654.18 and 112,143.64

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Solution

The fourth proportional to 230,369.56, 345,654.18 and 112,143.64 is: 168,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,369.56 : 345,654.18 = 112,143.64 : x
  2. Step 2: Convert to fraction form
    230,369.56/345,654.18 = 112,143.64/x
  3. Step 3: Cross multiply
    230,369.56x = 345,654.18 × 112,143.64
  4. Step 4: Simplify right side
    230,369.56x = 38,762,917,926.42
  5. Step 5: Solve for x
    x = 38,762,917,926.42/230,369.56
  6. Step 6: Final answer
    x = 168,264.06

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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.