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Finding the Fourth Proportional to 227,092.69, 313,372.91 and 136,394.76

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Solution

The fourth proportional to 227,092.69, 313,372.91 and 136,394.76 is: 188,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,092.69 : 313,372.91 = 136,394.76 : x
  2. Step 2: Convert to fraction form
    227,092.69/313,372.91 = 136,394.76/x
  3. Step 3: Cross multiply
    227,092.69x = 313,372.91 × 136,394.76
  4. Step 4: Simplify right side
    227,092.69x = 42,742,422,849.95
  5. Step 5: Solve for x
    x = 42,742,422,849.95/227,092.69
  6. Step 6: Final answer
    x = 188,215.76

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1.5x scale

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.