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Finding the Fourth Proportional to 227,015.69, 340,521.71 and 84,896.83

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Solution

The fourth proportional to 227,015.69, 340,521.71 and 84,896.83 is: 127,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,015.69 : 340,521.71 = 84,896.83 : x
  2. Step 2: Convert to fraction form
    227,015.69/340,521.71 = 84,896.83/x
  3. Step 3: Cross multiply
    227,015.69x = 340,521.71 × 84,896.83
  4. Step 4: Simplify right side
    227,015.69x = 28,909,213,726.35
  5. Step 5: Solve for x
    x = 28,909,213,726.35/227,015.69
  6. Step 6: Final answer
    x = 127,344.57

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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.