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Finding the Fourth Proportional to 265,956.48, 367,019.12 and 145,096.90

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Solution

The fourth proportional to 265,956.48, 367,019.12 and 145,096.90 is: 200,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,956.48 : 367,019.12 = 145,096.90 : x
  2. Step 2: Convert to fraction form
    265,956.48/367,019.12 = 145,096.90/x
  3. Step 3: Cross multiply
    265,956.48x = 367,019.12 × 145,096.90
  4. Step 4: Simplify right side
    265,956.48x = 53,253,336,552.73
  5. Step 5: Solve for x
    x = 53,253,336,552.73/265,956.48
  6. Step 6: Final answer
    x = 200,233.27

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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.