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Finding the Fourth Proportional to 227,451, 341,176.50 and 79,707

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Solution

The fourth proportional to 227,451, 341,176.50 and 79,707 is: 119,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,451 : 341,176.50 = 79,707 : x
  2. Step 2: Convert to fraction form
    227,451/341,176.50 = 79,707/x
  3. Step 3: Cross multiply
    227,451x = 341,176.50 × 79,707
  4. Step 4: Simplify right side
    227,451x = 27,194,155,285.50
  5. Step 5: Solve for x
    x = 27,194,155,285.50/227,451
  6. Step 6: Final answer
    x = 119,560.50

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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.