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Finding the Fourth Proportional to 227,117.96, 340,678.20 and 58,626.78

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Solution

The fourth proportional to 227,117.96, 340,678.20 and 58,626.78 is: 87,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,117.96 : 340,678.20 = 58,626.78 : x
  2. Step 2: Convert to fraction form
    227,117.96/340,678.20 = 58,626.78/x
  3. Step 3: Cross multiply
    227,117.96x = 340,678.20 × 58,626.78
  4. Step 4: Simplify right side
    227,117.96x = 19,972,865,882.20
  5. Step 5: Solve for x
    x = 19,972,865,882.20/227,117.96
  6. Step 6: Final answer
    x = 87,940.50

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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.